InChI=1S/C25H29BrF2O7/c1-12(29)34-11-21(33)24(35-13(2)30)6-5-14-15-7-18(27)16-8-19(31)17(26)9-23(16,4)25(15,28)20(32)10-22(14,24)3/h8-9,14-15,18,20,32H,5-7,10-11H2,1-4H3/t14-,15-,18+,20-,22-,23-,24-,25-/m0/s1