(2R,3S,6S)-3-(tert-Butyl-dimethyl-silanyloxy)-6-{(4S,5R,6R)-6-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-2-((2R,4S,5S,6R)-5,6-dimethyl-2-phenyl-[1,3]dioxan-4-yl)-heptan-4-ol

(2R,3S,4S,5R,6S,9S,10S,11R,12R,13S)-6-(tert-butyldimethylsiloxy)-14-((tert-butyldiphenylsiloxy))-2,4-((R)-benzylidenedioxy)-10,12-(isopropylidenedioxy)-3,5,9,11,13-pentamethyltetradecan-7-on

(2E,16E)-(4S,5R,6S,8R,9S,10S,12S,13S,14R)-5,9,13-Tris-(tert-butyl-dimethyl-silanyloxy)-17-iodo-4,6,8,10,12,14-hexamethyl-7,11-dioxo-heptadeca-2,16-dienoic acid