3-(1,3-dimethyl-2,6-dioxopurin-7-yl)propanenitrile

1,3-二甲基-8-硝基-1H-嘌呤2,6(3H,9H)-二酮

7-benzyl-1,3-dimethylpurine-2,6-dione

8-苄基茶碱

7,8-dibenzyl-1,3-dimethyl-3,7-dihydro-purine-2,6-dione