ethyl (2Z,5S,6S,7E,9Z)-5-((tert-butyldimethylsilyl)oxy)-10-iodo-6,8-dimethyldeca-2,7,9-trienoate

methyl (2E,5S,6S,7E,9Z)-5-((tert-butyldimethylsilyl)oxy)-10-iodo-2-methoxy-6,8-dimethyldeca-2,7,9-trienoate