[2(R)-(1-bornyloxy)-5,6-dihydro-2H-pyran-5(R)-yl]acetaldehyde

3-bromo-2-(1-bornyloxy)tetrahydropyran

2-(1-bornyloxy)-5,6-dihydro-2H-pyran

2-(1-bornyloxy)-3,4-epoxytetrahydropyran

(-)-β-蒎烯