(Z)-8-(tert-Butyl-diphenyl-silanyloxy)-3-hydroxy-6-methyl-2-[2-((1S,4aS,4bR,8aR,10aR)-2,4b,8,8,10a-pentamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-phenanthren-1-yl)-ethyl]-oct-6-enoic acid methyl ester

((2Z,6Z)-8-Bromo-3,7-dimethyl-octa-2,6-dienyloxy)-tert-butyl-diphenyl-silane

(4Z,8Z)-10-(tert-Butyl-diphenyl-silanyloxy)-4,8-dimethyl-deca-4,8-dienenitrile

(6Z,10Z)-12-(tert-Butyl-diphenyl-silanyloxy)-3-hydroxy-6,10-dimethyl-2-methylene-dodeca-6,10-dienoic acid methyl ester