(1R)-3,3-dimethoxy-1-methylpropyl (4S,5E)-4-[(tert-butyldimethylsilyl)oxy]-6-iodo-5-hexenoate

(R)-4-oxobutan-2-yl (S,E)-4-((tert-butyldimethylsilyl)oxy)-6-iodohex-5-enoate

(4S,5E,7S,9R)-4-[(tert-butyldimethylsilyl)oxy]-7-hydroxy-9-methyl-5-nonen-9-olide

(4S,5E,7S,9R)-4,7-bis[(tert-butyldimethylsilyl)oxy]-9-methyl-5-nonen-9-olide