(1R,3S,4S,5S,8R)-4,8-Diacetoxy-3-methoxy-2-oxa-6-aza-bicyclo[3.2.1]octane-6-carboxylic acid benzyl ester

(R)-4-Acetoxy-4-((2R,3S,4R)-3,4-diacetoxy-1-acetyl-pyrrolidin-2-yl)-butyric acid ethyl ester

(2R,3S,3aS,6R,6aS)-2,3,6-Triacetoxy-hexahydro-furo[3,2-b]pyrrole-4-carboxylic acid benzyl ester

2,4,5-tri-O-acetyl-3,6-benzyloxycarbonylimino-3,6-dideoxy-aldehydo-D-mannose

(2S,3S,4R)-3,4-Diacetoxy-2-((R)-acetoxy-[1,3]dithiolan-2-yl-methyl)-pyrrolidine-1-carboxylic acid benzyl ester