1H-indole-3-acetic acid, 2-(ethoxycarbonyl)-5-methoxy-alpha-methylene-, ethyl ester InChI=1/C17H19NO5/c1-5-22-16(19)10(3)14-12-9-11(21-4)7-8-13(12)18-15(14)17(20)23-6-2/h7-9,18H,3,5-6H2,1-2,4H ethyl 3-[1-(ethoxycarbonyl)vinyl]-5-methoxy-1H-indole-2-carboxylate