英文别名5-chloro-3-formyl-indole-2-carboxylic acid ethyl ester; 5-Chloro-3-formyl-1H-indole-2-carboxylic acid ethyl ester; ethyl 3-formyl-5-chloro-indole-2-carboxylate; ethyl 5-chloro-3-formylindole-2-carboxylate; 1H-Indole-2-carboxylic acid, 5-chloro-3-formyl-, ethyl ester 
