(4E,8E,12E)-14-(tert-Butyl-dimethyl-silanyloxy)-4,8,12-trimethyl-tetradeca-4,8,12-trien-1-ol

(4E,8E,12E)-14-(tert-Butyl-dimethyl-silanyloxy)-4,8,12-trimethyl-tetradeca-4,8,12-trienoic acid tert-butyl ester

(4E,8E,12E,16E)-20-(tert-Butyl-diphenyl-silanyloxy)-4,8,12,17-tetramethyl-icosa-4,8,12,16-tetraen-1-ol