(3Z,5S,6S,7S,8Z,11S,12R,13S,14S,15S,16Z)-6,12-bis(tert-butyldimethylsilyloxy)-5,7,9,11,13,15-hexamethyl-14-hydroxynonadeca-3,8,16,18-tetraen-2-one

(3Z,5S,6S,7S,8Z,11S,12R,13S,14S,15S,16Z)-6,12-bis(tert-butyldimethylsilyloxy)-14-carbamoyloxy-5,7,9,11,13,15-bexamethyl-nonadeca-3,8,16,18-tetraen-2-one

(5Z,13Z)-(2S,3R,4S,8R,9R,10R,11S,12S)-3,9-Bis-(tert-butyl-dimethyl-silanyloxy)-8-(tert-butyl-dimethyl-silanyloxymethyl)-2,4,6,10,12-pentamethyl-hexadeca-5,13,15-triene-1,11-diol

11-(tert-butyl-dimethyl-silanyloxy)-15-[2-(2-carbamoyloxy-1,3-dimethyl-hepta-4,6-dienyl)-oxetan-3-yl]-7-hydroxy-2,4,10,12,14-pentamethyl-5-oxo-3-triethylsilanyloxy-pentadeca-8,13-dienoic acid methyl ester

11-(tert-butyl-dimethyl-silanyloxy)-15-[2-(2-carbamoyloxy-1,3-dimethyl-hepta-4,6-dienyl)-oxetan-3-yl]-5,7-dihydroxy-2,4,10,12,14-pentamethyl-3-triethylsilanyloxy-pentadeca-8,13-dienoic acid methyl ester