InChI=1/C13H9F3N2O4/c1-2-3-6-12(13(14,15)16)9-7-8(18(20)21)4-5-10(9)17-11(19)22-12/h4-5,7H,2H2,1H3,(H,17,19)/t12-/m0/s1/f/h17H 3E05CFAD9FB5E923