1,3-dioxolane, 2-[2-(3-bromo-2-propynyl)phenyl]- 2-[2-(3-bromoprop-2-yn-1-yl)phenyl]-1,3-dioxolane InChI=1/C12H11BrO2/c13-7-3-5-10-4-1-2-6-11(10)12-14-8-9-15-12/h1-2,4,6,12H,5,8-9H