InChI=1/C19H12F6N2O/c20-18(21,22)10-6-9(7-11(8-10)19(23,24)25)16-12-4-5-26-17(28)13-2-1-3-14(27-16)15(12)13/h1-3,6-8,27H,4-5H2,(H,26,28)/f/h26H C2F50736D2C8FD9C