(1E,4R,6R,7Z,9Z,11E)-6,13-bis((tert-butyldimethylsilyl)oxy)-1-((2R)-6-isopropoxy-3,6-dihydro-2H-pyran-2-yl)-4-((triethylsilyl)oxy)trideca-1,7,9,11-tetraen-3-one

diethyl ((3R,5R,6Z,8Z,10E)-5,12-bis((tert-butyldimethylsilyl)oxy)-2-oxo-3-((triethylsilyl)oxy)dodeca-6,8,10-trien-1-yl)phosphonate

(6R)-6-[(1E,3R,4R,6R,7Z)-6-{[tert-butyl(dimethyl)silyl]oxy}-4-hydroxy-8-iodo-3-methyl-3-[(triethylsilyl)oxy]octa-1,7-dien-1-yl]-5,6-dihydro-2H-pyran-2-one

(6R)-6-{(1E,3R,4R,6R,7Z,9Z,11E)-6-{[tert-butyl(dimethyl)silyl]oxy}-13-{[tert-butyl(diphenyl)silyl]oxy}-4-hydroxy-3-methyl-3-[(triethylsilyl)oxy]trideca-1,7,9,11-tetraen-1-yl}-5,6-dihydro-2H-pyran-2-one

(6R)-6-[(1E,3R,4R)-3,4-dihydroxy-6-(4-methoxyphenylmethyloxy)-3-methyl-1-hexen-1-yl]-5,6-dihydro-2H-pyran-2-one