8-氯茶碱

4-[7-(2-Butynyl)-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]piperazine-1-carboxylic acid tert-butyl ester

7-((allyloxy)methyl)-1,3-dimethyl-6,7-dihydrooxazolo[2,3-f]purine-2,4(1H,3H)-dione

1-Boc-哌嗪

1,3,7-trimethyl-8-phenylpurine-2,6-dione

8-chloro-1,3-dimethyl-7-[(4-nitrophenyl)methyl]purine-2,6-dione

8-氯-3,7-二氢-1,3,7-三甲基-1H-嘌呤-2,6-二酮

茶碱

8-[2-(二苯基甲氧基)-N-甲基乙基氨基]-1,3-二甲基黄嘌呤

1-烯丙氧基-3-氯-2-丙醇

1,3-dimethyl-6,7-dihydropurin-2-one