(2E,4E,6R,7S)-ethyl 7-(tert-butyldimethylsilyloxy)-7-((2R,3R)-3-((R)-1-(tert-butyldimethylsilyloxy)but-3-enyl)oxiran-2-yl)-2,4,6-trimethylhepta-2,4-dienoate

(2E,4R,5R,6E)-5-(tert-butyldimethylsilyloxy)-8-(4-methoxybenzyloxy)-2,4-dimethylocta-2,6-dien-1-ol

(2E,4E,6R,7S)-ethyl 7-(tert-butyldimethylsilyloxy)-7-((2R,3S)-3-(hydroxymethyl)oxiran-2-yl)-2,4,6-trimethylhepta-2,4-dienoate

7-(tert-butyl-dimethyl-silanyloxy)-2,4,6-trimethyl-7-{3-[1,12,14-tris-(tert-butyl-dimethyl-silanyloxy)-16-methoxy-6-methoxymethoxy-7,13,15-trimethyl-heptadeca-3,9-dienyl]-oxiranyl}-hepta-2,4-dienoic acid ethyl ester

7-(tert-butyl-dimethyl-silanyloxy)-2,4,6-trimethyl-7-{3-[1,12,14-tris-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-16-methoxy-7,13,15-trimethyl-heptadeca-3,9-dienyl]-oxiranyl}-hepta-2,4-dienoic acid ethyl ester