2,8-Dioxabicyclo(5.2.1)decan-6-ol, 4-bromo-3-ethyl-9-(2-penten-4-ynyl)-, (1R-(1alpha,3beta,4alpha,6alpha,7alpha,9beta(E)))- 36431-73-9 6-Bromo-5-ethylhexahydro-alpha-(2-penten-4-ynyl)-2H-furo(3,2-b)pyran-2-methanol LAUREFUCIN (AN) Laurefucin NSC 288407