6-氨基-1-丁基-1H-嘧啶-2,4-二酮

6-氨基-1-丁基-3-甲基-1H-嘧啶-2,4-二酮

6-氨基-1-苄基-3-甲基-1H-嘧啶-2,4-二酮

N-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)-2-cyanoacetamide

3,5-dimethylheptanenitrile