InChI=1/C25H26F4O2/c1-16-9-10-17(20-8-6-5-7-19(16)20)14-24(30,25(27,28)29)15-23(2,3)21-13-18(26)11-12-22(21)31-4/h5-13,30H,14-15H2,1-4H3/t24-/m1/s1 2ACE21A034DF33E3