methyl 2,4-di-O-acetyl-3,6-acetylimino-3,6-dideoxy-α-D-galactopyranoside

3,6-benzyloxycarbonylimino-3,6-dideoxy-D-mannose ethylene dithioacetal

3,7-anhydro-5,8-benzyloxycarbonylimino-2,5,8-trideoxy-4,6-di-O-methyl-D-glycero-D-galacto (and/or -talo)-octono-nitrile

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

ethyl 3,7-anhydro-5,8-benzyloxycarbonylimino-2,5,8-trideoxy-4,6-di-O-methyl-D-glycero-D-galacto (and/or -talo)-octanate