InChI=1S/C22H19ClF4N2O4/c1-11(28-19(31)21(8-9-21)29-20(32)22(25,26)27)13-7-6-12(10-16(13)24)14-4-3-5-15(23)17(14)18(30)33-2/h3-7,10-11H,8-9H2,1-2H3,(H,28,31)(H,29,32)/t11-/m1/s1