英文别名Apixaban impurity 1; ethyl (2Z)-2-chloro-2-[(4-methoxyphenyl)hydrazinylidene]acetate; ethyl [(4-methoxyphenyl)hydrazono]chloroacetate; Ethyl (2Z)-chloro[(4-methoxyphenyl)hydrazono]acetate; ethyl chloro(p-methoxyphenylhydrazono)acetate; ethyl2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate; chloro-(4-methoxy-phenylhydrazono)-acetic acid ethyl ester; (Z)-Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate; Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate; Acetic acid,2-chloro-2-[2-(4-methoxyphenyl)hydrazinylidene],ethyl ester; ethyl 2-chloro-2-[(4-methoxyphenyl)hydrazinylidene]acetate; Acetic acid, 2-chloro-2-[2-(4-methoxyphenyl)hydrazinylidene], ethyl ester 
