ethyl (2E,4E,6E,8S,9S)-9,11-bis((tert-butyldimethylsilyl)oxy)-6,8-dimethylundeca-2,4,6-trienoate

(2S,3S)-3,5-bis{[(tert-butyl)dimethylsilyl]oxy}-2-methylpentan-1-ol

ethyl (2E,4E,6E,8S,9S)-9-((tert-butyldimethylsilyl)oxy)-11-hydroxy-6,8-dimethylundeca-2,4,6-trienoate

1-ethyl 13-methyl (2E,4E,6E,8S,9S,11E)-9-((tert-butyldimethylsilyl)oxy)-12-methoxy-6,8-dimethyltrideca-2,4,6,11-tetraenedioate