英文别名5-chloro-6-(piperazin-1-yl)nicotinic acid ethyl ester; Ethyl 5-chloro-6-piperazin-1-ylpyridine-3-carboxylate; 3-Pyridinecarboxylic acid, 5-chloro-6-(1-piperazinyl)-, ethyl ester; 1-(3-chloro-5-ethoxycarbonyl-pyridin-2-yl)piperazine; 5-chloro-6-piperazin-1-yl-nicotinic acid ethyl ester; 1-(3-chloro-5-ethoxycarbonyl-2-pyridyl)piperazine