InChI=1/C12H9F6N2O/c13-11(14,15)5-19-6-1-2-7-8(12(16,17)18)4-10(21)20-9(7)3-6/h1-4,7,9H,5H2,(H,20,21)/q-1/t7-,9-/m1/s1/f/h20H 9C651B559BB2FA19