2,2-Dimethyl-propionic acid 2,3-dimethoxy-5-methyl-6-((2E,5E,7E,11E)-(R)-3,7,9,11-tetramethyl-10-oxo-trideca-2,5,7,11-tetraenyl)-pyridin-4-yl ester

6-[(2E,5E,7E,11E)-(9R,10R)-10-(tert-Butyl-dimethyl-silanyloxy)-3,7,9,11-tetramethyl-trideca-2,5,7,11-tetraenyl]-2,3-dimethoxy-pyridin-4-ol

(4E,6E,10E)-(8R,9R)-9-(tert-Butyl-dimethyl-silanyloxy)-2-methoxy-2,6,8,10-tetramethyl-dodeca-4,6,10-trienal