6-氨基-1-甲基-5-(甲基氨基)尿嘧啶

6-氨基-5-丁基氨基-1-甲基尿嘧啶

6-氨基-5-苄基氨基-1-甲基尿嘧啶

N-[6-methyl-3-(phenylcarbamoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]pyridine-3-carboxamide

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