InChI=1S/C22H18BrF2O4P/c23-20-14-15(11-12-19(20)22(24,25)30(27,28)29)13-18(16-7-3-1-4-8-16)21(26)17-9-5-2-6-10-17/h1-12,14,18H,13H2,(H2,27,28,29)/t18-/m1/s1