(3R,7S,10R,11S,12R)-13-Benzyloxy-3,11-bis-(tert-butyl-dimethyl-silanyloxy)-7-hydroxy-10,12-dimethyl-tridec-1-en-5-one

[(1S,2R,5S)-1-((R)-2-Benzyloxy-1-methyl-ethyl)-5-(4-methoxy-benzyloxy)-2,7-dimethyl-oct-7-enyloxy]-tert-butyl-dimethyl-silane

(3R,7S,10R,11S,12R)-13-Benzyloxy-3,11-bis-(tert-butyl-dimethyl-silanyloxy)-7-(4-methoxy-benzyloxy)-10,12-dimethyl-tridec-1-en-5-one

2,2-Dimethyl-propionic acid (3R,4R,5R,6R)-5-(tert-butyl-dimethyl-silanyloxy)-3,7-dihydroxy-4,6-dimethyl-heptyl ester

2,2-Dimethyl-propionic acid (3R,4R,5S,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4,6-dimethyl-7-phenylsulfanyl-heptyl ester