英文别名ETHYL 1-(3-CHLORO-2-PYRIDINYL)-3-PYRAZOLIDINONE-5-CARBOXYLATE; ethyl 2-(3-chloropyridin-2-yl)-5-oxopyrazolidine-3-carboxylate; 3-Pyrazolidinecarboxylic acid, 2-(3-chloro-2-pyridinyl)-5-oxo-, ethyl ester; 2-(3-Chloro-2-pyridinyl)-5-oxo-3-pyrazolidinecarboxylic acid ethyl ester; ethyl 2-(3-chloro-2-pyridinyl)-5-oxo-3-pyrazolidine-carboxylate; 2-(3-chloro-pyridin-2-yl)-5-oxopyrazolidine-3-carboxylic acid ethyl ester; 2-(3-chloro-pyridin-2-yl)-5-oxo-pyrazolidine-3-carboxylic acid ethyl ester 
