(6E,8Z,11Z)-(S)-20-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxy)-icosa-6,8,11-trienoic acid methyl ester

(6E,8Z,11Z)-(S)-5-(tert-Butyl-diphenyl-silanyloxy)-20-(tetrahydro-pyran-2-yloxy)-icosa-6,8,11-trienoic acid methyl ester

(6E,8Z,11Z)-(S)-5-(tert-Butyl-diphenyl-silanyloxy)-20-[5-((3aR,6S,6aS)-2-oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoylamino]-icosa-6,8,11-trienoic acid

methyl (S,6E,8Z,11Z)-5-((tert-butyldiphenylsilyl)oxy)-14-oxotetradeca-6,8,11-trienoate

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