InChI=1/C15H8N2O8S/c18-12(19)5-16-14(21)11(26-15(16)22)3-7-6-25-10-2-1-8(17(23)24)4-9(10)13(7)20/h1-4,6H,5H2,(H,18,19)/p-1/b11-3+/fC15H7N2O8S/q-1 00CCF34D19233896