InChI=1/C18H22N2O3S/c1-18(2,3)15-8-6-14(7-9-15)17(21)20-12-13-4-10-16(11-5-13)24(19,22)23/h4-11H,12H2,1-3H3,(H,20,21)(H2,19,22,23)/f/h20H,19H2 17A5CD887F5B37E7