InChI=1/C21H21F2NO5/c1-12-16(25)6-5-15-14(9-19(26)29-20(12)15)11-24(2)10-13-4-7-17(27-3)18(8-13)28-21(22)23/h4-9,21,25H,10-11H2,1-3H3/p+1/fC21H22F2NO5/h24H/q+1 7A6EA85FDD4607FB