N-苯甲酰基-beta-丙氨酸甲酯

苯甲羟肟酸

methyl α-(3-phenyl-1,4,2-dioxazol-5-yl)-propionate

methyl (2Z)-3-(((methoxy(phenyl)methylene)amino)oxy)acrylate

(E)-3-{[1-Methoxy-1-phenyl-meth-(Z)-ylidene]-aminooxy}-acrylic acid methyl ester