InChI=1/C17H20N2O2S/c20-15(21)4-13-9-22-16-18-14(8-19(13)16)17-5-10-1-11(6-17)3-12(2-10)7-17/h8-12H,1-7H2,(H,20,21)/p-1/fC17H19N2O2S/q-1 B20BCB7F1E2ADBC3