2-amino-3-methyl-4,5-dihydropyrimidin-6-one

4-氨基-2-(甲基氨基)-5-嘧啶甲腈

6-氨基-2-(甲基氨基)-4-嘧啶醇

2,6-diamino-1-methylpyrimidin-4-one

氨气