InChI=1/C22H23F3O7/c1-14(26)19-10-17(30-11-15-5-4-6-16(9-15)22(23,24)25)7-8-20(19)31-13-18(12-28-2)32-21(27)29-3/h4-10,18H,11-13H2,1-3H3/t18-/m0/s1 445BB846BF50FBDC