InChI=1/C20H16F2N2O2/c1-12-5-2-3-6-14(12)19(25)13-9-18(23-10-13)20(26)24-11-15-16(21)7-4-8-17(15)22/h2-10,23H,11H2,1H3,(H,24,26)/f/h24H 3C8D5D185CA1FD8C