InChI=1/C16H11F9N2O2/c17-14(18,19)4-7-5-29-12-3-10-8(1-11(12)27(7)6-15(20,21)22)9(16(23,24)25)2-13(28)26-10/h1-3,7H,4-6H2,(H,26,28)/t7-/m1/s1/f/h26H 9B263BB539225528