InChI=1/C20H13N3O5S2/c1-10(24)22-14-5-3-2-4-13(14)15(18(22)27)16-19(28)23(20(29)30-16)21-17(26)11-6-8-12(25)9-7-11/h2-9,25H,1H3,(H,21,26)/b16-15-/f/h21H CEE56FDCFD6730B0