InChI=1S/C33H47BrO9/c1-18(9-12-25(38-7)23-13-22(35)10-11-24(23)34)31-20(3)28(39-8)17-33(43-31)32(5,6)16-19(2)26(42-33)14-30(37)41-27-15-29(36)40-21(27)4/h10-11,13,18,20-21,25,27-28,31,35H,9,12,14-17H2,1-8H3/t18-,20-,21+,25-,27+,28+,31-,33-/m0/s1