英文别名Ethyl-4-Chloroindole-2-Carboxylate; 4-Chloro-1H-indole-2-carboxylic acid ethyl ester; 1H-Indole-2-carboxylic acid, 4-chloro-, ethyl ester; 4-chloro-indole-2-carboxylic acid ethyl ester; 4-Chlor-2-indolcarbonsaeureethylester; Ethyl 4-chloroindole-2-carboxylate; 4-Chlor-indol-2-carbonsaeure-aethylester; Ethyl4-Chloro-2-indolecarboxylate