(3aS,4S,5S,6S,6aS)-5-Benzenesulfonyl-6-chloro-2-oxo-hexahydro-cyclopenta[b]furan-4-carboxylic acid ethyl ester

(3aS,4S,5S,6R,6aS)-5-Benzenesulfinyl-6-hydroxy-2-oxo-hexahydro-cyclopenta[b]furan-4-carboxylic acid ethyl ester

(4S,5S)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-octanedial

(4S,5S)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-octanedioic acid diethyl ester

(2R,5S,2'R,5'S)-5,5'-Bis-((E)-(S)-1-methoxymethoxy-but-2-enyl)-octahydro-[2,2']bifuranyl