[5-(4-Methoxy-benzyloxy)-4,4-dimethyl-hept-6-en-1-ynyl]-trimethyl-silane

2,2-dimethyl-5-(trimethylsilyl)-4-pentyn-1-ol

2,2-dimethyl-5-(trimethylsilyl)-4-pentynal

{(E)-(R)-3-[(1R,3aR,6aS)-1-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-oxo-hexahydro-pentalen-3a-yl]-but-1-enyl}-phosphonic acid diethyl ester