InChI=1/C18H14F3N3O4/c1-17(12-4-6-13(7-5-12)18(19,20)21)15(25)23(16(26)22-17)10-11-2-8-14(9-3-11)24(27)28/h2-9H,10H2,1H3,(H,22,26)/t17-/m1/s1/f/h22H A4893E2431883A30