InChI=1/C20H21FN2O7S/c1-11(2)18(19(24)25)23-31(27,28)13-4-5-14-15-9-12(22-20(26)29-8-7-21)3-6-16(15)30-17(14)10-13/h3-6,9-11,18,23H,7-8H2,1-2H3,(H,22,26)(H,24,25)/p-1/t18-/m0/s1/fC20H20FN2O7S/h22H/q-1 C6DD3635EA6300F2