{(2R,4S)-4-[(4R,5S)-5-((1R,3R)-1,5-Bis-benzyloxy-3-methyl-pentyl)-2,4-dihydroxy-tetrahydro-furan-2-yl]-2-methyl-pentyl}-carbamic acid tert-butyl ester

(2R,3S,4R,6R)-4,8-Bis-benzyloxy-1-[2-((1S,3R)-1,3-dimethyl-4-triisopropylsilanyloxy-butyl)-[1,3]dithian-2-yl]-3-methoxymethoxy-6-methyl-octan-2-ol

(2R,3R,5S,8R,10S)-2-((1R,3R)-1,5-Dihydroxy-3-methyl-pentyl)-3-hydroxy-8,10-dimethyl-1-oxa-6-aza-spiro[4.5]decane-6-carboxylic acid tert-butyl ester

(2R,3R,5S,8R,10S)-2-((1R,3R)-5-Acetoxy-1-hydroxy-3-methyl-pentyl)-3-hydroxy-8,10-dimethyl-1-oxa-6-aza-spiro[4.5]decane-6-carboxylic acid tert-butyl ester

(2S,3R)-5-((1S,3R)-4-Azido-1,3-dimethyl-butyl)-2-((1R,3R)-1,5-bis-benzyloxy-3-methyl-pentyl)-5-methoxy-tetrahydro-furan-3-ol