InChI=1/C17H25N3O4S/c1-5-24-17(21)20(4)25(22,23)12-13-6-7-16-15(10-13)14(11-18-16)8-9-19(2)3/h6-7,10-11,18H,5,8-9,12H2,1-4H carbamic acid, [[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl]sulfonyl]methyl-, ethyl ester ethyl [({3-[2-(dimethylamino)ethyl]-1H-indol-5-yl}methyl)sulfonyl]methylcarbamate