InChI=1/C24H24F4O2/c1-22(2,20-13-19(25)10-11-21(20)30-3)15-23(29,24(26,27)28)14-16-8-9-17-6-4-5-7-18(17)12-16/h4-13,29H,14-15H2,1-3H3/t23-/m1/s1 EFB9A978F346F13E