Benzoic acid (5E,9E)-(1S,3R,4S,7S,8R)-8-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-1,3,5,7,9-pentamethyl-2-oxo-undeca-5,9-dienyl ester

(8E,12E)-(2S,6S,7S,10S,11R)-7,11-Bis-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-2,6,8,10,12-pentamethyl-3-oxo-tetradeca-8,12-dienoic acid benzyl ester

(2E,6E)-(4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-2,4,6-trimethyl-octa-2,6-dienal

(4E,8E)-(2R,3S,6S,7R)-3,7-Bis-(tert-butyl-dimethyl-silanyloxy)-2,4,6,8-tetramethyl-deca-4,8-dienal

Benzoic acid (5E,9E)-(1S,3R,4S,7S,8R)-4,8-bis-(tert-butyl-dimethyl-silanyloxy)-1,3,5,7,9-pentamethyl-2-oxo-undeca-5,9-dienyl ester