2,2-dimethylpropionic acid (4R,5S,6S)-2,4,6-trimethyl-5-(triethylsilanyloxy)-non-2-trans-en-8-ynyl ester

2,2-dimethylpropionic acid (4R,5S,6S)-8-hydroxy-2,4,6-trimethyl-5-(triethylsilanyloxy)-oct-2-trans-enyl ester

(4E,10E)-(6R,7S,8S)-3-Hydroxy-11-iodo-2-methoxy-4,6,8,10-tetramethyl-7-triethylsilanyloxy-undeca-4,10-dienoic acid methyl ester

2,2-dimethylpropionic acid (4R,5S,6S)-9-iodo-2,4,6,8-tetramethyl-5-(triethylsilanyloxy)-nona-2,8-trans-dienyl ester

(6R,7S,8S)-11-iodo-2-methoxy-4,6,8,10-tetramethyl-7-(triethylsilanyloxy)-undeca-2,4,10-trans-trienoic acid methyl ester