InChI=1/C20H23F6N2O2/c1-4-6-16(29)15-11-27-17(12(3)5-2)28(15)14-9-7-13(8-10-14)18(30,19(21,22)23)20(24,25)26/h7-12,16,29H,4-6H2,1-3H3/q-1/t12-,16+/m0/s1 7F3F69425CB8512F