InChI=1/C12H8F6NO2/c13-11(14,15)5-19-6-1-2-7-8(12(16,17)18)4-10(20)21-9(7)3-6/h1-4,7,9H,5H2/q-1/t7-,9+/m0/s1 83E23ED52E2CD92F