Benzamide, 4-[(R)-[(2S,5R)-2,5-dimethyl-4-(2-propen-1-yl)-1-piperazinyl](3-methoxyphenyl)methyl]-N,N-diethyl-
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Why are most phospholipidosis inducers also hERG blockers? | Archives of toxicology 20171201 |
δ-Opioid mechanisms for ADL5747 and ADL5859 effects in mice: analgesia, locomotion, and receptor internalization. | The Journal of pharmacology and experimental therapeutics 20120901 |
δ-Opioid receptor agonist SNC80 induces central antinociception mediated by Ca2+ -activated Cl- channels. | The Journal of pharmacy and pharmacology 20120801 |
Crosstalk between cdk5 and MEK-ERK signalling upon opioid receptor stimulation leads to upregulation of activator p25 and MEK1 inhibition in rat brain. | Neuroscience 20120726 |
Distinctive modulation of ethanol place preference by delta opioid receptor-selective agonists. | Drug and alcohol dependence 20120401 |
Allosteric interactions between δ and κ opioid receptors in peripheral sensory neurons. | Molecular pharmacology 20120201 |
Peripheral antinociception induced by δ-opioid receptors activation, but not μ- or κ-, is mediated by Ca²⁺-activated Cl⁻ channels. | European journal of pharmacology 20120115 |
Synthesis of quinolinomorphinan-4-ol derivatives as δ opioid receptor agonists. | Bioorganic & medicinal chemistry 20120115 |
New insights into opioid regulatory pathways: influence of opioids on Wnt1 expression in zebrafish embryos. | Neuroscience 20120103 |
Delta-opioid receptor activation promotes mesenchymal stem cell survival via PKC/STAT3 signaling pathway. | Circulation journal : official journal of the Japanese Circulation Society 20120101 |
The novel δ opioid receptor agonist KNT-127 produces antidepressant-like and antinociceptive effects in mice without producing convulsions. | Behavioural brain research 20111001 |
Effects of the delta-opioid agonist SNC80 on the abuse liability of methadone in rhesus monkeys: a behavioral economic analysis. | Psychopharmacology 20110801 |
Genetic ablation of delta opioid receptors in nociceptive sensory neurons increases chronic pain and abolishes opioid analgesia. | Pain 20110601 |
Effects of delta opioid receptors activation on a response inhibition task in rats. | Psychopharmacology 20110401 |
Ligand-directed trafficking of the δ-opioid receptor in vivo: two paths toward analgesic tolerance. | The Journal of neuroscience : the official journal of the Society for Neuroscience 20101208 |
Mu and delta opioid receptors on nociceptors attenuate mechanical hyperalgesia in rat. | Neuroscience 20101124 |
Design and synthesis of KNT-127, a δ-opioid receptor agonist effective by systemic administration. | Bioorganic & medicinal chemistry letters 20101101 |
Synthesis and in vivo brain distribution of carbon-11-labeled δ-opioid receptor agonists. | Nuclear medicine and biology 20101101 |
Dual efficacy of delta opioid receptor-selective ligands for ethanol drinking and anxiety. | The Journal of pharmacology and experimental therapeutics 20101001 |
Involvement of the kappa-opioid receptor in nitrous oxide-induced analgesia in mice. | Journal of anesthesia 20100401 |
Modulation of delta opioid agonist-induced antinociception by repeated morphine pretreatment in rhesus monkeys. | Life sciences 20100313 |
Cocaine withdrawal-induced anxiety in females: impact of circulating estrogen and potential use of delta-opioid receptor agonists for treatment. | Journal of neuroscience research 20100301 |
Asymmetric generalization and interaction profiles in rhesus monkeys discriminating intravenous cocaine or intravenous heroin from vehicle. | The Journal of pharmacology and experimental therapeutics 20100301 |
Cholecystokinin receptors mediate tolerance to the analgesic effect of TENS in arthritic rats. | Pain 20100101 |
Synthesis and pharmacological evaluation of SNC80 analogues with a bridged piperazine ring. | ChemMedChem 20091201 |
N,N-Diethyl-4-[(3-hydroxyphenyl)(piperidin-4-yl)amino] benzamide derivatives: the development of diaryl amino piperidines as potent delta opioid receptor agonists with in vivo anti-nociceptive activity in rodent models. | Bioorganic & medicinal chemistry letters 20091101 |
Opiate-agonist induced taste aversion learning in the Fischer 344 and Lewis inbred rat strains: evidence for differential mu opioid receptor activation. | Pharmacology, biochemistry, and behavior 20091001 |
Genetic mapping of targets mediating differential chemical phenotypes in Plasmodium falciparum. | Nature chemical biology 20091001 |
Novel delta opioid receptor agonists exhibit differential stimulation of signaling pathways. | Bioorganic & medicinal chemistry 20090901 |
Differential modulation of mu- and delta-opioid receptor agonists by endogenous RGS4 protein in SH-SY5Y cells. | The Journal of biological chemistry 20090703 |
Design and synthesis of novel delta opioid receptor agonists and their pharmacologies. | Bioorganic & medicinal chemistry letters 20090515 |
Syntheses of novel high affinity ligands for opioid receptors. | Bioorganic & medicinal chemistry letters 20090415 |
Hypertensive state, independent of hypertrophy, exhibits an attenuated decrease in systolic function on cardiac kappa-opioid receptor stimulation. | American journal of physiology. Heart and circulatory physiology 20090401 |
The selective non-peptidic delta opioid agonist SNC80 does not facilitate intracranial self-stimulation in rats. | European journal of pharmacology 20090214 |
In vivo delta opioid receptor internalization controls behavioral effects of agonists. | PloS one 20090101 |
Synthesis of a novel 6,14-epoxymorphinan derivative and its pharmacology. | Bioorganic & medicinal chemistry letters 20081215 |
Stimulation of delta opioid receptors located in substantia nigra reticulata but not globus pallidus or striatum restores motor activity in 6-hydroxydopamine lesioned rats: new insights into the role of delta receptors in parkinsonism. | Journal of neurochemistry 20081201 |
Gene expression profiling reveals complex changes in the olfactory bulbectomy model of depression after chronic treatment with antidepressants. | Journal of pharmacological sciences 20081101 |
Potent, orally bioavailable delta opioid receptor agonists for the treatment of pain: discovery of N,N-diethyl-4-(5-hydroxyspiro[chromene-2,4'-piperidine]-4-yl)benzamide (ADL5859). | Journal of medicinal chemistry 20081009 |
The selective delta opioid agonist SNC80 enhances amphetamine-mediated efflux of dopamine from rat striatum. | Neuropharmacology 20081001 |
Differential effects of opioid agonists on G protein expression in CHO cells expressing cloned human opioid receptors. | Brain research bulletin 20080905 |
The mu-opioid receptor agonist morphine, but not agonists at delta- or kappa-opioid receptors, induces peripheral antinociception mediated by cannabinoid receptors. | British journal of pharmacology 20080701 |
Antidepressant-like effects of the delta-opioid receptor agonist SNC80 ([(+)-4-[(alphaR)-alpha-[(2S,5R)-2,5-dimethyl-4-(2-propenyl)-1-piperazinyl]-(3-methoxyphenyl)methyl]-N,N-diethylbenzamide) in an olfactory bulbectomized rat model. | Brain research 20080507 |
Effects of mu, kappa, and delta opioid receptor agonists on the function of hypothalamic-pituitary-adrenal axis in monkeys. | Psychoneuroendocrinology 20080501 |
Inflammatory pain is enhanced in delta opioid receptor-knockout mice. | The European journal of neuroscience 20080501 |
Syntheses of 4,6'-epoxymorphinan derivatives and their pharmacologies. | Bioorganic & medicinal chemistry 20080415 |
Opioid modulation of ferret vagal afferent mechanosensitivity. | American journal of physiology. Gastrointestinal and liver physiology 20080401 |
Synthesis and pharmacological evaluation of bicyclic SNC80 analogues with separated benzhydryl moiety. | Bioorganic & medicinal chemistry 20080315 |
Blockade of NMDA receptors prevents analgesic tolerance to repeated transcutaneous electrical nerve stimulation (TENS) in rats. | The journal of pain : official journal of the American Pain Society 20080301 |
Dopamine-independent psychostimulant activity of a delta-agonist. | Behavioural pharmacology 20080301 |
The delta-opioid receptor agonist SNC80 [(+)-4-[alpha(R)-alpha-[(2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl]-(3-methoxybenzyl)-N,N-diethylbenzamide] synergistically enhances the locomotor-activating effects of some psychomotor stimulants, but not direct dopamine agonists, in rats. | The Journal of pharmacology and experimental therapeutics 20080201 |
Withdrawal from chronic administration of cocaine decreases delta opioid receptor signaling and increases anxiety- and depression-like behaviors in the rat. | Neuropharmacology 20080201 |
Effects of delta-opioid agonist SNC80 on white matter injury following spinal cord ischemia in normothermic and mildly hypothermic rats. | Journal of anesthesia 20080101 |
Probes for narcotic receptor mediated phenomena. 34. Synthesis and structure-activity relationships of a potent mu-agonist delta-antagonist and an exceedingly potent antinociceptive in the enantiomeric C9-substituted 5-(3-hydroxyphenyl)-N-phenylethylmorphan series. | Journal of medicinal chemistry 20070809 |
Use of Freund's Complete Adjuvant (FCA) in inflammatory pain models: consequences on the metabolism and pharmacokinetics of the non-peptidic delta receptor agonist SNC80 in the rat. | Xenobiotica; the fate of foreign compounds in biological systems 20070801 |
Quantitative conformationally sampled pharmacophore for delta opioid ligands: reevaluation of hydrophobic moieties essential for biological activity. | Journal of medicinal chemistry 20070419 |
Endogenous dynorphin in epileptogenesis and epilepsy: anticonvulsant net effect via kappa opioid receptors. | Brain : a journal of neurology 20070401 |
Pharmacological validation of a semi-automated in vitro hippocampal brain slice assay for assessment of seizure liability. | Journal of pharmacological and toxicological methods 20070101 |
Differential effects of micro-opioid, delta-opioid and kappa-opioid receptor agonists on dopamine receptor agonist-induced climbing behavior in mice. | Behavioural pharmacology 20061201 |
Changes in emotional behavior of mice in the hole-board test after olfactory bulbectomy. | Journal of pharmacological sciences 20061201 |
Effects of the selective delta opioid agonist SNC80 on cocaine- and food-maintained responding in rhesus monkeys. | European journal of pharmacology 20061010 |
Mu and kappa opioid receptor agonists antagonize icilin-induced wet-dog shaking in rats. | European journal of pharmacology 20061010 |
Electroencephalographic and convulsant effects of the delta opioid agonist SNC80 in rhesus monkeys. | Pharmacology, biochemistry, and behavior 20061001 |
Mu-delta opioid receptor functional interaction: Insight using receptor-G protein fusions. | The Journal of pharmacology and experimental therapeutics 20060801 |
The convulsive and electroencephalographic changes produced by nonpeptidic delta-opioid agonists in rats: comparison with pentylenetetrazol. | The Journal of pharmacology and experimental therapeutics 20060601 |
Role of delta-opioid receptor function in neurogenesis and neuroprotection. | Journal of neurochemistry 20060601 |
Modulation of delta opioid-evoked hypothermia in rats by WAY 100635 and fluoxetine. | Neuroscience letters 20060508 |
Nitric oxide synthase mediates delta opioid receptor-induced hypothermia in rats. | European journal of pharmacology 20060424 |
Chronic pain induces anxiety with concomitant changes in opioidergic function in the amygdala. | Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 20060401 |
Delta opioid receptor ligands modulate anxiety-like behaviors in the rat. | British journal of pharmacology 20060401 |
Dissociation between sex differences in the immunological, behavioral, and physiological effects of kappa- and delta-opioids in Fischer rats. | Psychopharmacology 20060301 |
Effects of mu-, delta- and kappa-opioid receptor agonists on methamphetamine-induced self-injurious behavior in mice. | European journal of pharmacology 20060217 |
Behavioral and neurobiological effects of the enkephalinase inhibitor RB101 relative to its antidepressant effects. | European journal of pharmacology 20060215 |
Delta opioid agonists attenuate TAT(1-72)-induced oxidative stress in SK-N-SH cells. | Neurotoxicology 20060101 |
delta-Opioid receptor agonist SNC80 elicits peripheral antinociception via delta(1) and delta(2) receptors and activation of the l-arginine/nitric oxide/cyclic GMP pathway. | Life sciences 20051119 |
Role of delta-opioid receptor subtypes in anxiety-related behaviors in the elevated plus-maze in rats. | Psychopharmacology 20051101 |
Separation of the convulsions and antidepressant-like effects produced by the delta-opioid agonist SNC80 in rats. | Psychopharmacology 20051101 |
Differential behavioral tolerance to the delta-opioid agonist SNC80 ([(+)-4-[(alphaR)-alpha-[(2S,5R)-2,5-dimethyl-4-(2-propenyl)-1-piperazinyl]-(3-methoxyphenyl)methyl]-N,N-diethylbenzamide) in Sprague-Dawley rats. | The Journal of pharmacology and experimental therapeutics 20051001 |
Kappa- and delta-opioid receptor functional activities are increased in the caudate putamen of cannabinoid CB1 receptor knockout mice. | The European journal of neuroscience 20051001 |
3D-QSAR comparative molecular field analysis on delta opioid receptor agonist SNC80 and its analogs. | Journal of molecular graphics & modelling 20050901 |
Brain delta2 opioid receptors mediate SNC-80-evoked hypothermia in rats. | Brain research 20050705 |
Interactions between delta and mu opioid agonists in assays of schedule-controlled responding, thermal nociception, drug self-administration, and drug versus food choice in rhesus monkeys: studies with SNC80 [(+)-4-[(alphaR)-alpha-((2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl]-N,N-diethylbenzamide] and heroin. | The Journal of pharmacology and experimental therapeutics 20050701 |
The antinociceptive effect of zolpidem and zopiclone in mice. | Pharmacology, biochemistry, and behavior 20050701 |
Potentiation of rat lymphocyte proliferation by novel non-peptidic synthetic opioids. | International immunopharmacology 20050701 |
A comparison of the antinociceptive and adverse effects of the mu-opioid agonist morphine and the delta-opioid agonist SNC80. | Basic & clinical pharmacology & toxicology 20050701 |
Involvement of mu-, delta- and kappa-opioid receptor subtypes in the discriminative-stimulus effects of delta-9-tetrahydrocannabinol (THC) in rats. | Psychopharmacology 20050601 |
Molecular modeling directed synthesis of a bicyclic analogue of the delta opioid receptor agonist SNC 80. | Archiv der Pharmazie 20050601 |
The delta opioid receptor agonist, SNC80, has complex, dose-dependent effects on pilocarpine-induced seizures in Sprague-Dawley rats. | Brain research 20050531 |
Delta-opioid receptor agonist SNC80 induces peripheral antinociception via activation of ATP-sensitive K+ channels. | European journal of pharmacology 20050404 |
Inverse agonism and neutral antagonism at wild-type and constitutively active mutant delta opioid receptors. | The Journal of pharmacology and experimental therapeutics 20050401 |
Anti-exudative effects of opioid receptor agonists in a rat model of carrageenan-induced acute inflammation of the paw. | European journal of pharmacology 20050328 |
In vivo activation of a mutant mu-opioid receptor by naltrexone produces a potent analgesic effect but no tolerance: role of mu-receptor activation and delta-receptor blockade in morphine tolerance. | The Journal of neuroscience : the official journal of the Society for Neuroscience 20050323 |
Reciprocal regulation of agonist and inverse agonist signaling efficacy upon short-term treatment of the human delta-opioid receptor with an inverse agonist. | Molecular pharmacology 20050101 |
Enhanced striatal opioid receptor-mediated G-protein activation in L-DOPA-treated dyskinetic monkeys. | Neuroscience 20050101 |
Increased survival of tumor-bearing mice by the delta opioid SNC 80. | Anticancer research 20050101 |
Modulation of voltage-dependent sodium channels by the delta-agonist SNC80 in acutely isolated rat hippocampal neurons. | Neuropharmacology 20041201 |
Different regulation of human delta-opioid receptors by SNC-80 [(+)-4-[(alphaR)-alpha-((2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl]-N,N-diethylbenzamide] and endogenous enkephalins. | The Journal of pharmacology and experimental therapeutics 20040801 |
Delta-opioid agonist SNC80 can attenuate the development of dynorphin A-induced tactile allodynia in rats. | Anesthesiology 20040801 |
Potential anxiolytic and antidepressant-like activities of SNC80, a selective delta-opioid agonist, in behavioral models in rodents. | Journal of pharmacological sciences 20040701 |
The effects of the delta-opioid agonist SNC80 on hind-limb motor function and neuronal injury after spinal cord ischemia in rats. | Anesthesia and analgesia 20040701 |
N,N-dialkyl-4-[(8-azabicyclo[3.2.1]-oct-3-ylidene)phenylmethyl]benzamides, potent, selective delta opioid agonists. | Bioorganic & medicinal chemistry letters 20040503 |
Delta-opioid agonists: differential efficacy and potency of SNC80, its 3-OH (SNC86) and 3-desoxy (SNC162) derivatives in Sprague-Dawley rats. | The Journal of pharmacology and experimental therapeutics 20040401 |
Identification of opioid ligands possessing mixed micro agonist/delta antagonist activity among pyridomorphinans derived from naloxone, oxymorphone, and hydromorphone [correction of hydropmorphone]. | Journal of medicinal chemistry 20040311 |
Functional interaction among opioid receptor types: up-regulation of mu- and delta-opioid receptor functions after repeated stimulation of kappa-opioid receptors. | Neuropharmacology 20040301 |
Mutation S363A in the human delta-opioid receptor selectively reduces down-regulation by a peptide agonist. | European journal of pharmacology 20040206 |
SNC 80 and related delta opioid agonists. | Current pharmaceutical design 20040101 |
Opioid interactions in rhesus monkeys: effects of delta + mu and delta + kappa agonists on schedule-controlled responding and thermal nociception. | The Journal of pharmacology and experimental therapeutics 20031201 |
Delta-opioid agonist-stimulated inositol phosphate formation in isolated, rabbit iris-ciliary bodies: role of G(i/o) proteins and Gbetagamma-subunits. | Experimental eye research 20031201 |
Effects of the delta-opioid receptor agonist SNC80 on learning relative to its antidepressant-like effects in rats. | Behavioural pharmacology 20031101 |
Pharmacological characterization of a 7-benzylidenenaltrexone-preferring opioid receptor in porcine ileal submucosa. | British journal of pharmacology 20031001 |
Pharmacological characterization of AR-M1000390 at human delta opioid receptors. | Life sciences 20030815 |
Converging protein kinase pathways mediate adenylyl cyclase superactivation upon chronic delta-opioid agonist treatment. | The Journal of pharmacology and experimental therapeutics 20030701 |
SNC-80-induced preconditioning: selective activation of the mitochondrial adenosine triphosphate-gated potassium channel. | Journal of cardiovascular pharmacology 20030501 |
Development of opioid tolerance with repeated transcutaneous electrical nerve stimulation administration. | Pain 20030301 |
Agonist-specific down-regulation of the human delta-opioid receptor. | European journal of pharmacology 20030110 |
The molecular mechanisms of cellular tolerance to delta-opioid agonists. A minireview. | Acta biologica Hungarica 20030101 |
Chemotaxis of human and rat leukocytes by the delta-selective non-peptidic opioid SNC 80. | Revista latinoamericana de microbiologia 20030101 |
Dextromethorphan and ketamine potentiate the antinociceptive effects of mu- but not delta- or kappa-opioid agonists in a mouse model of acute pain. | Pharmacology, biochemistry, and behavior 20021201 |
Comparison of receptor mechanisms and efficacy requirements for delta-agonist-induced convulsive activity and antinociception in mice. | The Journal of pharmacology and experimental therapeutics 20021101 |
Delta opioid antagonist effects of buprenorphine in rhesus monkeys. | Behavioural pharmacology 20021101 |
Convulsant activity of a non-peptidic delta-opioid receptor agonist is not required for its antidepressant-like effects in Sprague-Dawley rats. | Psychopharmacology 20021001 |
Kappa opioid antagonist effects of the novel kappa antagonist 5'-guanidinonaltrindole (GNTI) in an assay of schedule-controlled behavior in rhesus monkeys. | Psychopharmacology 20021001 |
Antinociceptive effects of the selective delta opioid agonist SNC80 alone and in combination with mu opioids in the squirrel monkey titration procedure. | Psychopharmacology 20021001 |
Chronic muscle pain induced by repeated acid Injection is reversed by spinally administered mu- and delta-, but not kappa-, opioid receptor agonists. | The Journal of pharmacology and experimental therapeutics 20020901 |
Behavioral effects of delta-opioid receptor agonists: potential antidepressants? | Japanese journal of pharmacology 20020901 |
The role of nitric oxide in the proconvulsant effect of delta-opioid agonist SNC80 in mice. | Neuroscience letters 20020830 |
Nonpeptidic delta-opioid receptor agonists reduce immobility in the forced swim assay in rats. | Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 20020601 |
Delta opioid inhibition of light-induced phase advances in hamster circadian activity rhythms. | Brain research 20020524 |
Dextromethorphan potentiates the antinociceptive effects of morphine and the delta-opioid agonist SNC80 in squirrel monkeys. | The Journal of pharmacology and experimental therapeutics 20020201 |
Mu and Delta opioid receptors activate the same G proteins in human neuroblastoma SH-SY5Y cells. | British journal of pharmacology 20020101 |
Delta opioid discrimination learning in the rat: assessment with the selective delta agonist SNC80. | Pharmacology, biochemistry, and behavior 20020101 |
Interactions of NMDA antagonists and an alpha 2 agonist with mu, delta and kappa opioids in an acute nociception assay. | Acta anaesthesiologica Belgica 20020101 |
Studies of tolerance and dependence with the delta-opioid agonist SNC80 in rhesus monkeys responding under a schedule of food presentation. | The Journal of pharmacology and experimental therapeutics 20011101 |
Expression of alpha-transducin in Chinese hamster ovary cells stably transfected with the human delta-opioid receptor attenuates chronic opioid agonist-induced adenylyl cyclase superactivation. | Molecular pharmacology 20011101 |
Antiparkinsonian action of a delta opioid agonist in rodent and primate models of Parkinson's disease. | Experimental neurology 20011101 |
Parallel synthesis and biological activity of a new class of high affinity and selective delta-opioid ligand. | Bioorganic & medicinal chemistry 20011001 |
Piperazinyl benzamidines: synthesis and affinity for the delta opioid receptor. | Bioorganic & medicinal chemistry letters 20010709 |
SoRI 9409, a non-peptide opioid mu receptor agonist/delta receptor antagonist, fails to stimulate [35S]-GTP-gamma-S binding at cloned opioid receptors. | Brain research bulletin 20010701 |
delta-Opioid modulation of social interactions in juvenile mice weaned at different ages. | Physiology & behavior 20010601 |
Increased tumor necrosis factor-alpha and nitric oxide production by rat macrophages following in vitro stimulation and intravenous administration of the delta-opioid agonist SNC 80. | Life sciences 20010504 |
Effects of yohimbine on the antinociceptive and place conditioning effects of opioid agonists in rodents. | British journal of pharmacology 20010501 |
Spinal delta-opioid receptors mediate suppression of systemic SNC80 on excitability of the flexor reflex in normal and inflamed rat. | European journal of pharmacology 20010420 |
Mutation W284L of the human delta opioid receptor reveals agonist specific receptor conformations for G protein activation. | Life sciences 20010406 |
Factors influencing agonist potency and selectivity for the opioid delta receptor are revealed in structure-activity relationship studies of the 4-[(N-substituted-4-piperidinyl)arylamino]-N,N-diethylbenzamides. | Journal of medicinal chemistry 20010315 |
Antinociceptive effects of delta-opioid agonists in Rhesus monkeys: effects on chemically induced thermal hypersensitivity. | The Journal of pharmacology and experimental therapeutics 20010301 |
Selective depression of nociceptive responses of dorsal horn neurones by SNC 80 in a perfused hindquarter preparation of adult mouse. | Neuroscience 20010101 |
Relative efficacies of delta-opioid receptor agonists at the cloned human delta-opioid receptor. | European journal of pharmacology 19970512 |
Probes for narcotic receptor mediated phenomena. 19. Synthesis of (+)-4-[(alpha R)-alpha-((2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl)-3- methoxybenzyl]-N,N-diethylbenzamide (SNC 80): a highly selective, nonpeptide delta opioid receptor agonist. | Journal of medicinal chemistry 19940708 |