InChI=1/C17H20N2O3S/c1-3-5-13-8-11(10-23-13)17(22)19-18-15(4-2)14-7-6-12(20)9-16(14)21/h6-10,20-21H,3-5H2,1-2H3,(H,19,22)/b18-15+/f/h19H 9CF5E0DA26856F75