InChI=1/C19H18N2O5S/c22-18-16-11-15(8-9-17(16)20-19(18)23)27(24,25)21-10-4-5-13(21)12-26-14-6-2-1-3-7-14/h1-3,6-9,11,13H,4-5,10,12H2,(H,20,22,23)/p-1/t13-/m0/s1/fC19H17N2O5S/q-1 33ED669D331B9880