N-吡啶-2-甲基-甲酰胺

7-hydroxy-3-(1,3-thiazol-4-yl)chromen-4-one

7-hydroxy-3-(2-methyl-1,3-thiazol-4-yl)chromen-4-one

N-(4-chlorophenyl)-N-hydroxyformamide

N-甲酰基-2-甲基丙氨酸