InChI=1/C23H23F4NO3/c1-21(2,17-12-15(24)8-9-20(17)31-3)13-22(30,23(25,26)27)14-28-11-10-19(29)16-6-4-5-7-18(16)28/h4-12,30H,13-14H2,1-3H3/t22-/m0/s1 1B6117CB71E67CCD