(2E,4R)-4-[(tert-butyldiphenylsilyl)oxy]-2-dodecen-6-ynal

6-Octynoic acid, 5-oxo-8-[(tetrahydro-2H-pyran-2-yl)oxy]-, methyl ester

(2R)-2-hydroxy-4-decynyl 4-nitrobenzoate

(5S)-methyl 8-bromo-5-<(tert-butyldiphenylsilyl)oxy>-6-octynoate

(5S)-methyl 8-(dimethylphosphono)-5-[(tert-butyldiphenylsilyl)oxy]-6-octynoate