InChI=1/C17H12N2O6S/c20-10-2-3-11(12(21)6-10)13(22)7-26-17-19-18-16(25-17)9-1-4-14-15(5-9)24-8-23-14/h1-6,20-21H,7-8H2 9BA5596724B9B474