N-(5-bromo-indol-3-yl)glyoxylyl ethyl ester;(5-bromo-indol-3-yl)-oxo-acetic acid ethyl ester;Ethyl 2-(5-brom-1 H-indol-3-yl)-2-oxoacetate;ethylbromoindolyloxoacetate;(5-bromo-1H-indol-3-yl)-oxo-acetic acid ethyl ester;5-Brom-indolyl-3-glyoxylsaeure-ethylester