(1R,3S,4R,5R)-4-(hydroxymethyl)-5-((2Z,5Z,8Z)-undeca-2,5,8-trien-1-yl)cyclopentane-1,3-diyl dibenzoate

diethyl [4-(methoxycarbonyl)-2-oxobutyl]phosphonate

(1R,3S,4S,5R)-4-formyl-5-((2Z,5Z,8Z)-undeca-2,5,8-trien-1-yl)cyclopentane-1,3-diyl dibenzoate

(1R,3S,4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-5-((2Z,5Z,8Z)-undeca-2,5,8-trienyl)-cyclopentane-1,3-diol

(1S,2R,3R,4R)-2-(tert-butyldiphenylsilyloxymethyl)-3-(formylmethyl)-1,4-bis-O-(triethylsilyl)cyclopentane-1,4-diol