InChI=1/C21H22F2N2O3/c1-28-21(27)18(19(24)20(26)25-11-10-17(23)12-25)15-4-2-13(3-5-15)14-6-8-16(22)9-7-14/h2-9,17-19H,10-12,24H2,1H3/p+1/t17-,18-,19-/m0/s1/fC21H23F2N2O3/h24H/q+1 6F3A27AD2AFD49CB