3-(4-chlorophenyl)-6-methoxy-1H-1,3,5-triazine-2,4-dione

4-[(hydrazinylmethylideneamino)methyl]benzoic acid

5,6-二甲基-4-羟基-2-甲氧基嘧啶

4-hydroxy-2-methoxy-5-methyl-1H-pyrimidin-6-one