InChI=1/C20H22F4O2/c1-18(2,16-11-15(21)9-10-17(16)26-3)13-19(25,20(22,23)24)12-14-7-5-4-6-8-14/h4-11,25H,12-13H2,1-3H3/t19-/m1/s1	2FD919A5423B9FE1