(R)-6-((3R,4R,6R,E)-6-(tert-butyldimethylsilyloxy)-4-hydroxy-8-iodo-3-methyl-3-(triethylsilyloxy)oct-1-en-7-ynyl)-5,6-dihydro-2H-pyran-2-one

(R)-6-[(E)-(3R,4R,6R)-6-(tert-Butyl-dimethyl-silanyloxy)-4-(4-methoxy-benzyloxy)-3-methyl-3-triethylsilanyloxy-oct-1-en-7-ynyl]-5,6-dihydro-pyran-2-one

tert-Butyl-[(1R,3R)-1-ethynyl-3-(4-methoxy-benzyloxy)-4-methyl-pent-4-enyloxy]-dimethyl-silane

Acrylic acid (E)-(1R,4R,5R,7R)-1-allyl-7-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-5-(4-methoxy-benzyloxy)-4-methyl-non-2-en-8-ynyl ester

Acrylic acid (E)-(1R,4R,5R,7R)-1-allyl-7-(tert-butyl-dimethyl-silanyloxy)-5-(4-methoxy-benzyloxy)-4-methyl-4-triethylsilanyloxy-non-2-en-8-ynyl ester