5,5-dihydroxy-1,3-dimethyl-1,3-diazinane-2,4,6-trione

氨气

甲胺

1,3-二甲基-1,3-二嗪农-2,4,5,6-四酮

7-(3-氯丙基)-1,3-二甲基嘌呤-2,6-二酮