InChI=1/C20H20F2N2O7S/c1-24(32(27,28)12-4-5-17-18(8-12)31-7-3-6-30-17)11-19(25)23-16-9-13(20(26)29-2)14(21)10-15(16)22/h4-5,8-10H,3,6-7,11H2,1-2H3,(H,23,25)/f/h23H 402A05D882127925