((2R,3R)-3-((R)-2-((tert-butyldimethylsilyl)oxy)-5-(trimethylsilyl)pent-4-yn-1-yl)oxiran-2-yl)methanol

(S)-8-(trimethylsilyl)octa-2,7-diyne-1,5-diol

acetic acid (S)-5-hydroxy-8-(trimethylsilyl)octa-2,7-diynyl ester

(3R,5R)-5-(tert-butyldimethylsilyloxy)-8-(trimethylsilyl)oct-1-en-7-yn-3-ol

(Z)-(3R,5R)-1-bromomethylene-3,5-bis(tert-butyldimethylsilyloxy)-2-methylenecyclohexane