1-(beta-Dimethylaminoaethyl)-2-ethoxycarbonyl-3-ethoxy-6-chlor-indol-toluol-4-sulfonat 1H-Indole-2-carboxylic acid, 6-chloro-1-(2-(dimethylamino)ethyl)-3-ethoxy-, ethyl ester, 4-methylbenzenesulfonate 77941-23-2