InChI=1/C21H12F2N2O3/c22-11-8-9-14(13(23)10-11)24-20(26)18-12-4-3-7-17-19(12)25(21(18)27)15-5-1-2-6-16(15)28-17/h1-10,18H,(H,24,26)/t18-/m0/s1/f/h24H D9F0F40AA2D55183