6-氨基-2-氯-7-甲基嘌呤

7-methyl-3H-purine-2,6-dithione

2,6,8-三氯-7-甲基嘌呤

3-[(2-chlorophenyl)methyl]-5-[[2-(2-hydroxyethylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one

1,7-dimethyl-3-prop-2-enylpurine-2,6-dione