InChI=1/C18H14F4N2O/c1-17(2)14-8-11(12-5-10(9-23)6-13(19)7-12)3-4-15(14)24-16(25-17)18(20,21)22/h3-8,16,24H,1-2H3/t16-/m0/s1 B273EF2E9D6B1CE9