2-benzamidoprop-2-enoic acid

2-aminoacetic acid,4-methylbenzenesulfonic acid

氰基甲基 (苯甲酰基氨基)乙酸酯

(4Z)-2-phenyl-4-(pyridin-3-ylmethylidene)-1,3-oxazol-5-one

[2-[(Z)-(5-oxo-2-phenyl-1,3-oxazol-4-ylidene)methyl]phenyl] acetate