InChI=1/C18H18N2O9S2/c1-9-4-11(30-16(9)17(25)20-10(8-21)5-15(23)24)7-19-31(28,29)12-2-3-14(22)13(6-12)18(26)27/h2-4,6,8,10,19,22H,5,7H2,1H3,(H,20,25)(H,23,24)(H,26,27)/p-2/t10-/m0/s1/fC18H16N2O9S2/h20H/q-2 2C59533552CD8F69