1H-indole-2-carboxylic acid, 3-(acetylamino)-, ethyl ester InChI=1/C13H14N2O3/c1-3-18-13(17)12-11(14-8(2)16)9-6-4-5-7-10(9)15-12/h4-7,15H,3H2,1-2H3,(H,14,16 ethyl 3-(acetylamino)-1H-indole-2-carboxylate