(4S,5R)-6-Azido-4,5-bis-benzyloxy-hexanoic acid benzyl ester

(3S,5S)-5-((S)-1-azido-3-methylbutyl)-3-(2-hydroxypropan-2-yl)-dihydrofuran-2(3H)-one

(S)-5-((R)-1-hydroxy-3-methylbutyl)dihydrofuran-2(3H)-one

(R)-3-methyl-1-((S)-5-oxotetrahydrofuran-2-yl)butyl methanesulfonate

(2S,4S,5S)-5-tert-Butoxycarbonylamino-4-hydroxy-2-isopropyl-7-methyl-octanoic acid