(1S,4R)-4-[(2Z)-octenyl]-1-[(tert-butyldimethylsilyl)oxy]-2-cyclopentene

(R,Z)-4-(non-3-en-1-yl)oxetan-2-one

(R,Z)-methyl 5-hydroxy-3-oxotetradec-8-enoate

(R,Z)-methyl 2-diazo-5-hydroxy-3-oxotetradec-8-enoate

(R.Z)-methyl 2-diazo-3-oxo-5-((triethylsilyl)oxyl)tetradec-8-enoate