英文别名1H-INDOLE-3-ACETIC ACID, 5-CHLORO-α-OXO-, ETHYL ESTER; Ethyl 2-(5-Chloro-3-indolyl)-2-oxoacetate; 5-Chloro-3-indoleglyoxylic acid ethyl ester; (5-chloro-1H-indol-3-yl)-oxo-acetic acid ethyl ester; 2-(5-Chloro-1H-indol-3-yl)-2-oxoacetic acid ethyl ester 
