(2R,3S,4R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-oxo-4-(3-oxo-butyl)-3-trimethylsilanyloxy-tetrahydro-furan-3-carboxylic acid methyl ester

(1S,3R,4S,5R)-1-[(3E,5R)-3,5-dimethyl-6-phenyl-3-hexenyl]-4-hydroxy-3-hydroxymethyl-4,5-bis(methoxycarbonyl)-2,8-dioxabicyclo[3.2.1]octane

(5R,8R,9S)-8-tert-butyldiphenylsiloxymethyl-9-methoxycarbonyl-9-trimethylsiloxy-1,7-dioxaspiro[4.4]nonane-2,6-dione

(1S,3S,4S,5R)-1-((R,E)-3,5-dimethyl-6-phenylhex-3-en-1-yl)-4-hydroxy-4,5-bis(methoxycarbonyl)-2,8-dioxabicyclo[3.2.1]octane-3-carboxylic acid

(5R,8R,9S)-8-tert-butyldiphenylsiloxymethyl-2-hydroxy-9-methoxycarbonyl-2-methyl-9-trimethylsiloxy-1,7-dioxaspiro[4.4]nonan-6-one