InChI=1/C18H18N2O3S/c1-8-5-9(2)19-17-13(8)12(7-24-17)20-16(21)14-10-3-4-11(6-10)15(14)18(22)23/h3-5,7,10-11,14-15H,6H2,1-2H3,(H,20,21)(H,22,23)/p-1/t10-,11+,14-,15+/m1/s1/fC18H17N2O3S/h20H/q-1 E56AAAECB31D1F20