InChI=1/C17H16N2O6S/c1-10-3-4-11(17(21)24-2)7-13(10)19-26(22,23)12-5-6-15-14(8-12)18-16(20)9-25-15/h3-8,19H,9H2,1-2H3,(H,18,20)/f/h18H 57D2CE16367F1DCB