InChI=1/C26H28F2O4/c1-14(2)18-10-20(15(3)4)26(31-13-23(27)28)21(11-18)19-8-6-7-17-12-22(32-25(17)19)16(5)9-24(29)30/h6-12,14-15,23H,13H2,1-5H3,(H,29,30)/p-1/b16-9+/fC26H27F2O4/q-1 DA0F717B7074DEB9