InChI=1/C18H18N2O2S/c1-12(2)11-19-18-20-15(14-9-6-10-22-14)17(23-18)16(21)13-7-4-3-5-8-13/h3-10,12H,11H2,1-2H3,(H,19,20)/f/h19H 47FE5AB35E91B31D