InChI=1/C17H22Br2O2/c1-10-5-6-16(19)17(2,3)12(10)7-11-8-15(21-4)13(18)9-14(11)20/h8-9,12,16,20H,1,5-7H2,2-4H3/t12-,16-/m1/s1 5C39CE9B29218E53