2(S)-(1-bornyloxy)-3-oxo-3,6-dihydro-2H-pyran

2(S)-(1-bornyloxy)-3(R)-hydroxy-3,6-dihydro-2H-pyran

2(S)-(1-bornyloxy)-3(S)-(vinyloxy)-3,6-dihydro-2H-pyran

2(R)-(1-bornyloxy)-3(S)-(vinyloxy)-3,6-dihydro-2H-pyran

<2(S)-(1-bornyloxy)-5,6-dihydro-2H-pyran-5(R)-yl>acetaldehyde