6-氯-4,5-嘧啶二胺

6-morpholin-4-yl-5-nitropyrimidin-4-amine

1-Boc-4-(6-氨基-5-硝基-4-嘧啶)哌嗪

4,5-二氨基-6-巯基嘧啶

N,N-dimethyl-5-nitro-pyrimidine-4,6-diamine