rel-(ξ,4S,5S)-4-[(E)-3-methyl-7-(dimethoxyphosphinyl)-7-carbomethoxy-3-octenyl]-5-[(E)-4-formyl-2-methyl-1-butenyl]-2-methoxy-1-oxacyclopentane

(E)-1-acetoxy-6-(tert-butyldimethylsiloxy)-3-methyl-2-hexene

rel-(2ξ,4R,5R)-4-[(E)-3-methyl-3,5-hexadienyl]-5-[(E)-2-methyl-5-tert-butyldimethylsilyloxy-1-pentenyl]-1-oxacyclopentan-2-ol

rel-(2ξ,4S,5S)-4-[(E)-3-methyl-6-hydroxy-3-hexenyl]-5-[(E)-2-methyl-5-tert-butyldimethylsilyloxy-1-pentenyl]-2-methoxy-1-oxacyclopentane

rel-(ξ,4S,5S)-4-[(E)-3-methyl-6-iodo-3-hexenyl]-5-[(E)-2-methyl-5-tert-butyldimethylsilyloxy-1-pentenyl]-2-methoxy-1-oxacyclopentane