(3R,5R)-1-(Benzyl-dimethyl-silanyl)-6,6-diethoxy-hept-1-yne-3,5-diol

(3R,5R)-7-(Benzyl-dimethyl-silanyl)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-hept-6-yn-2-one

(E)-(3R,5R,6R,9R)-1-(Benzyl-dimethyl-silanyl)-3-(tert-butyl-dimethyl-silanyloxy)-5-(3,4-dimethoxy-benzyloxymethoxy)-6-methyl-9-triethylsilanyloxy-dodeca-7,11-dien-1-yn-6-ol

(R)-6-[(1E,7Z)-(3R,4R,6R)-8-(Benzyl-dimethyl-silanyl)-6-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-3-methyl-3-triethylsilanyloxy-octa-1,7-dienyl]-5,6-dihydro-pyran-2-one

(E)-(4R,7R,8R,10R)-12-(Benzyl-dimethyl-silanyl)-10-(tert-butyl-dimethyl-silanyloxy)-8-(3,4-dimethoxy-benzyloxymethoxy)-7-methyl-dodeca-1,5-dien-11-yne-4,7-diol