英文别名Moxifloxacin Impurity 221; 1H-Pyrazole-4-carboxylic acid, 3-(dichloromethyl)-1-methyl-, ethyl ester; ethyl 3-dichloromethyl-1-methyl-1H-pyrazole-4-carboxylate; 3-(dichloromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid ethylester; 3-(dichloromethyl)-1-methyl-1H-pyrazol-4-carboxylic acid ethyl ester 
