InChI=1/C19H17N4O4S/c1-12-9-13(2)22-19(21-12)23-28(26,27)17-7-4-15(5-8-17)20-11-14-3-6-16(24)10-18(14)25/h3-11H,1-2H3,(H2-,20,21,22,23,24,25)/q-1/f/h24-25H 60B7E3EA96945C13