InChI=1/C20H17N2O7S2/c1-13-11-18(21-31(28,29)17-10-6-7-15(12-17)22(24)25)14(2)20(19(13)23)30(26,27)16-8-4-3-5-9-16/h3-12,23H,1-2H3/q-1	58C14BEF9037E808