InChI=1/C23H19FNO3/c1-2-27-19-6-7-20-21(14-19)28-22(23(20)26)13-16-8-10-25(11-9-16)15-17-4-3-5-18(24)12-17/h3-14H,2,15H2,1H3/q+1/b22-13- F363123D7F571D61