2,6-diamino-5-phenyl-1H-pyrimidin-4-one

2-氨基-6,7-二氢-5H-环戊[d]嘧啶-4-醇

2-嘧啶胺,4-咪唑并1,2-a吡啶-3-基-

N-(4-乙基苯基)-3-氧代丁酰胺

N-(6-ethyl-4-methyl-2-quinolinyl)guanidine