tert-butyl (3S,6R,7S,8S)-3,7-bis((tert-butyldimethylsilyl)oxy)-4,4,6,8-tetramethyl-5-oxoundec-10-enoate

(3R,4R,5S,6S)-5-((tert-butyldimethylsilyl)oxy)-2,2,4,6-tetramethyl-3-((triphenylsilyl)oxy)non-8-enal

(3S,5R,6S,7S,8S)-3,7-Bis-(tert-butyl-dimethyl-silanyloxy)-5-hydroxy-4,4,6,8-tetramethyl-undec-10-enoic acid tert-butyl ester

(3S,6R,7S,8S)-tert-butyldimethylsilyl 3,7-bis((tert-butyldimethylsilyl)oxy)-4,4,6,8-tetramethyl-5-oxoundec-10-enoate

(3S,5R,6R,7S,8S)-tert-butyl 7-((tert-butyldimethylsilyl)oxy)-3-hydroxy-4,4,6,8-tetramethyl-5-((triphenylsilyl)oxy)undec-10-enoate