2H-Pyran, 3-bromo-2-(3-bromo-2-pentenyl)-5-chlorotetrahydro-6-(2-penten-4-ynyl)-, (2R-(2alpha(E),3alpha,5alpha,6alpha(Z)))- 3-Bromo-2-(3-bromo-2-pentenyl)-5-chlorotetrahydro-6-(2-penten-4-ynyl)-2H-pyran 55306-12-2 Dactylyne