(2Z,5S,7S)-8-Bromo-5,7-bis<(tert-butyldimethylsilyl)oxcy>-2,8-nonadienoic acid methyl ester

(3R,4S,6S)-7-bromo-6-((tert-butyldimethylsilyl)oxy)-3-methylocta-1,7-dien-4-ol

(3R,5S)-6-Bromo-3,5-bis<(tert-butyldimethylsilyl)oxy>-6-heptenoic acid (S)-1,2,2-triphenyl-2-hydroxyethyl ester