InChI=1/C24H25FN2O4/c1-3-14-24(23(30)31-4-2)19-18(20(26-24)16-12-8-9-13-17(16)25)21(28)27(22(19)29)15-10-6-5-7-11-15/h5-13,18-20,26H,3-4,14H2,1-2H3/t18-,19-,20-,24-/m0/s1 93C7BBD26A7DB2B5