InChI=1/C19H17N3O4S/c1-9-7-12(8-14-16(23)20-19(27)21-17(14)24)11(3)22(9)15-6-4-5-13(10(15)2)18(25)26/h4-8H,1-3H3,(H,25,26)(H2,20,21,23,24,27)/p-2/fC19H15N3O4S/h20H/q-2/b14-8+ 43CE423793DBD424