甲基碘

1-benzyl-4-(N-methylamino)-1H-imidazole-5-carboxamide

1-benzyl-4-<(ethoxycarbonyl)methylamino>-1H-imidazole-5-carboxamide

7-苄基-3-甲基黄嘌呤

3,9-dimethyl-7-benzylxanthinium betaine