InChI=1/C16H14N2O6S/c19-14(9-24-15(20)13-2-1-7-25-13)18-16(21)17-10-3-4-11-12(8-10)23-6-5-22-11/h1-4,7-8H,5-6,9H2,(H2,17,18,19,21)/f/h17-18H B27DB6F388F9A184