InChI=1S/C15H23BrO3/c1-9(2)10-6-11-14(3,4)12(16)7-13(17)15(11,5)19-8-18-10/h7,10-11,13,17H,1,6,8H2,2-5H3/t10-,11-,13+,15+/m1/s1