InChI=1/C18H17N3O4S/c1-11-3-6-14(7-4-11)26(23,24)21-20-18-15(17(19)22)10-13-9-12(2)5-8-16(13)25-18/h3-10,21H,1-2H3,(H2,19,22)/p+1/b20-18-/fC18H18N3O4S/h20H,19H2/q+1 E69271B39308A0B2