(4E,8E,12E)-14-[3,4-Dimethyl-5-(tetrahydro-pyran-2-yloxy)-2-(2-trimethylsilanyl-ethoxymethoxy)-phenyl]-4,8,12-trimethyl-tetradeca-4,8,12-trienoic acid methyl ester

(4E,8E,12E,16Z)-18-[2-Acetoxy-3,4-dimethyl-5-(tetrahydro-pyran-2-yloxy)-phenyl]-4,8,12,16-tetramethyl-octadeca-4,8,12,16-tetraenoic acid ethyl ester

(4E,8E,12E)-14-Acetoxy-4,8,12-trimethyl-tetradeca-4,8,12-trienoic acid methyl ester

(4E,8E,12E,16Z)-18-[2-Hydroxy-3,4-dimethyl-5-(tetrahydro-pyran-2-yloxy)-phenyl]-4,8,12,16-tetramethyl-octadeca-4,8,12,16-tetraenoic acid ethyl ester

(4E,8E,12E,16Z)-18-[3,4-Dimethyl-5-(tetrahydro-pyran-2-yloxy)-2-(2-trimethylsilanyl-ethoxymethoxy)-phenyl]-4,8,12,16-tetramethyl-octadeca-4,8,12,16-tetraenoic acid ethyl ester