(R)-5-{(S)-6-[(1S,2R)-2-(2-Hydroxy-ethyl)-1,2-dimethyl-6-oxo-cyclohexyl]-2-methyl-4-oxo-hexyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-5-[(S)-6-((1S,2R)-2-Carboxymethyl-1,2-dimethyl-6-oxo-cyclohexyl)-2-methyl-4-oxo-hexyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(E)-(4R,5S)-4,5-Dimethyl-6-triisopropylsilanyloxy-hex-2-enoic acid methyl ester

(4R,5S)-4,5-Dimethyl-2-methylene-6-triisopropylsilanyloxy-hexanal

(4R,5S)-4,5-Dimethyl-2-methylene-6-triisopropylsilanyloxy-hexanoic acid