2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine
| Title | Journal |
|---|---|
| Resistance-modifying agents. 11.(1) Pyrimido[5,4-d]pyrimidine modulators of antitumor drug activity. Synthesis and structure-activity relationships for nucleoside transport inhibition and binding to alpha1-acid glycoprotein. | Journal of medicinal chemistry 20040923 |