Showing structure for (1r,3r,4r,6s,7s,8s,9s,11s)-8-bromo-3-[(1s)-1-bromoethyl]-11-(3-bromopropa-1,2-dien-1-yl)-2,10-dioxatricyclo[7.3.0.0⁴,⁶]dodecan-7-ol