InChI=1/C17H14N2O5S/c18-25(22,23)13-7-5-11(6-8-13)10-19-16(20)14-9-12-3-1-2-4-15(12)24-17(14)21/h1-9H,10H2,(H,19,20)(H2,18,22,23)/f/h19H,18H2 B26D756E40872551