InChI=1S/C23H33BrO6/c1-4-5-6-7-8-12-15-23(28)16-18(24)22(27)21(23)19(30-17(2)25)13-10-9-11-14-20(26)29-3/h8,10,12-13,16,19,21,28H,4-7,9,11,14-15H2,1-3H3/b12-8-,13-10-/t19-,21-,23+/m0/s1