(R)-5-((S)-3-Benzenesulfonyl-2-methyl-propyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester

(R)-5-[(S)-6-((6S,7R)-7-Carboxymethyl-6,7-dimethyl-1,4-dioxa-spiro[4.5]dec-6-yl)-2-methyl-4-oxo-hexyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester

(R)-5-((S)-3-Benzenesulfonyl-6-{(6S,7R)-7-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-6,7-dimethyl-1,4-dioxa-spiro[4.5]dec-6-yl}-2-methyl-4-oxo-hexyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester

(2S,4R)-5-Azido-2-methyl-pentane-1,4-diol

(R)-2-{2-[(4R,6R)-6-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-4,5,6,7-tetrahydro-3H-azepin-2-yl]-ethyl}-2-methyl-cyclohexanone