InChI=1/C21H20N4O4S/c1-11-7-12(2)9-14(8-11)24-20(28)18(19(27)22-21(24)29)15-10-16(17-5-4-6-30-17)25(23-15)13(3)26/h4-9,16,23H,10H2,1-3H3,(H,22,27,29)/p-1/b18-15-/t16-/m0/s1/fC21H19N4O4S/q-1 F418FC69C3CDD619