(E)-3-[(2R,5S,6S,9R)-8-(tert-Butyl-diphenyl-silanyloxymethyl)-2-cyclohexyl-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-2-methyl-propenal

(E)-3-[(2R,5S,6R,9S)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-2-methyl-acrylic acid ethyl ester

ethyl 6-<<(tert-butyldiphenylsilyl)oxy>methyl>-2-methyl-2(E),4(E),6(Z)-octatrienoate

(2R,2R,4S,5R)-spiro-1-[(tert-butyldiphenylsilyloxy)methyl]-2-methyl-5-(2-methylpropen-1-ol)cyclohex-1-ene-(4,5')-2'-tert-butyl-1',3'-dioxolan-4'-ol

(E)-3-[(2R,5S,6S,9R)-2-tert-Butyl-8-(tert-butyl-diphenyl-silanyloxymethyl)-9-methyl-4-oxo-1,3-dioxa-spiro[4.5]dec-7-en-6-yl]-2-methyl-acrylic acid ethyl ester