(8S)-8-(tert-butyl(diphenyl)silyloxy)-non-1-en-4-yn-3-ol

ethyl (4E,10S)-10-(tert-butyl(diphenyl)silyloxy)undec-4-en-6-ynoate

(2S,11S)-11-tert-butyl(diphenyl)silyloxy-1,2-(isopropylidenedioxy)dodec-5-en-7-yne