InChI=1/C17H14N2O6S/c1-19-17(21)12-4-3-11(7-15(12)26(19,22)23)16(20)18-8-10-2-5-13-14(6-10)25-9-24-13/h2-7H,8-9H2,1H3,(H,18,20)/f/h18H ACD8525EFA6F5A75