InChI=1/C17H14F4N2O3/c1-2-26-15(25)23-13-9-11(18)5-6-12(13)22-14(24)16(23,17(19,20)21)8-7-10-3-4-10/h5-6,9-10H,2-4H2,1H3,(H,22,24)/t16-/m1/s1/f/h22H C3C6F0F28F84D435