InChI=1/C18H18N2O3S/c1-12(22-2)11-19-18-20-15(14-9-6-10-23-14)17(24-18)16(21)13-7-4-3-5-8-13/h3-10,12H,11H2,1-2H3,(H,19,20)/t12-/m0/s1/f/h19H 217C216EC7B65B29