InChI=1/C18H18N2O7S2/c1-12-11-13(20-17(21)9-10-28(20,23)24)7-8-16(12)29(25,26)19-15-6-4-3-5-14(15)18(22)27-2/h3-8,11H,9-10H2,1-2H3,(H,19,22)/p-1/fC18H17N2O7S2/q-1 88A4F1A464362CFC