InChI=1/C21H17F2NO4/c1-10-17-15(6-7-16-18(17)14(25)9-21(2,3)28-16)27-19(10)20(26)24-13-5-4-11(22)8-12(13)23/h4-8H,9H2,1-3H3,(H,24,26)/f/h24H	1844A587D4E768AB