InChI=1/C20H17N3O7S2/c1-28-14-7-11(8-15(29-2)17(14)30-3)9-16-19(25)22(20(31)32-16)21-18(24)12-5-4-6-13(10-12)23(26)27/h4-10H,1-3H3,(H,21,24)/b16-9-/f/h21H F1C9906A38FE0A04