InChI=1/C21H21F3N2O4/c1-29-19(27)15-4-2-14(3-5-15)13-30-20(28)16-8-10-26(11-9-16)18-7-6-17(12-25-18)21(22,23)24/h2-7,12,16H,8-11,13H2,1H3 A9A2CA1EF66BB0E3