(+)-(S)-t-butyl-3-(t-butyldimethylsilyloxy)-butyrate

(3S)-3-[tert-butyl(dimethyl)silyl]oxybutan-1-ol

3-[(4E,6E,8E)-(S)-11-(tert-Butyl-dimethyl-silanyloxy)-dodeca-4,6,8-trienyl]-pyridine

(S)-11-(tert-Butyl-dimethyl-silanyloxy)-1-pyridin-3-yl-dodeca-5,7-diyne-4,9-diol

2(S)-4,9-dibenzoyl-2-(t-butyldimethylsilyloxy)-12-(3'-pyridyl)-dodeca-5,7-diene