2-(2,5-dimethylpyrrol-1-yl)-N-(hydrazinylmethylidene)acetamide

2-氨基-5-氟-6-羟基-4(1H)-嘧啶酮

4-(3溴苯基)-6苯基-2-氨基嘧啶

4-[(2-amino-4-hydroxy-6-oxo-1H-pyrimidin-5-yl)methyl]benzoic acid

5-[(4-hexoxyphenyl)methyl]pyrimidine-2,4-diamine