4-[1-[2-(3-{6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propyl)-allyl]-5-(tert-butyl-diphenyl-silanyloxy)-6-methoxymethoxy-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-octa-2,7-dienyloxy]-pentan-2-ol

ER-809589

(3S)-4-{(2R,6R)-6-[2-(tert-butyldimethylsilanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-3-methylbutyronitrile

(4R)-5-{(2R,6R)-6-[2-(tert-butyldimethylsilanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-4-methylpentan-2-one

Toluene-4-sulfonic acid (R)-3-{(2S,6R)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propyl ester