(3R)-3-(tert-butyldimethylsiloxy)-5-iodo-1-(trimethylsilyl)pent-1-yne

(3R)-3-(tert-butyldimethylsiloxy)-1-(trimethylsilyl)pent-1-yn-5-ol

Methanesulfonic acid (R)-3-(tert-butyl-dimethyl-silanyloxy)-5-trimethylsilanyl-pent-4-ynyl ester

(3R,7R,8S)-7,8-epoxy-9-(p-methoxybenzyloxy)-6-methylene-1-(trimethylsilyl)non-1-yn-3-ol

(R)-tert-butyldimethyl((1-(trimethylsilyl)-5-(trityloxy)pent-1-yn-3-yl)oxy)silane