1H-indole, 2,3-dimethyl-1-(phenylsulfonyl)- 2,3-dimethyl-1-(phenylsulfonyl)-1H-indole InChI=1/C16H15NO2S/c1-12-13(2)17(16-11-7-6-10-15(12)16)20(18,19)14-8-4-3-5-9-14/h3-11H,1-2H