InChI=1/C23H22F4N2O4/c24-16-8-6-14(7-9-16)20-21(15-4-2-1-3-5-15)29(22(28-20)23(25,26)27)11-10-17(30)12-18(31)13-19(32)33/h1-9,17-18,30-31H,10-13H2,(H,32,33)/p-1/t17-,18-/m1/s1/fC23H21F4N2O4/q-1 F99AA05F0B753F9B