InChI=1/C18H22N2O4S/c1-5-24-17-9-7-6-8-15(17)18(21)19-16-12-14(11-10-13(16)2)25(22,23)20(3)4/h6-12H,5H2,1-4H3,(H,19,21)/f/h19H CBC86E39DDF1F7F0