InChI=1S/C23H25FN2O7S/c1-5-33-22(27)20-18(12-34(29,30)15-7-8-17(24)13(2)10-15)25-23(28)26-21(20)16-11-14(31-3)6-9-19(16)32-4/h6-11,21H,5,12H2,1-4H3,(H2,25,26,28)