methyl (S,6E,8Z,11Z,14Z)-5-((tert-butyldiphenylsilyl)oxy)-20,20,20-trifluoroicosa-6,8,11,14-tetraenoate

methyl (S)-5-((tert-butyldiphenylsilyl)oxy)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)pentanoate

methyl 5(S)-(tert-butyldiphenylsilyl)oxy-6-oxo-hexanoate

(E)-(S)-5-(tert-Butyl-diphenyl-silanyloxy)-8-oxo-oct-6-enoic acid methyl ester