InChI=1/C20H22N2O3S/c1-13-14-8-4-5-9-16(14)26-17(13)15(23)12-22-18(24)20(21-19(22)25)10-6-2-3-7-11-20/h4-5,8-9H,2-3,6-7,10-12H2,1H3,(H,21,25)/f/h21H C1304E818C029203