5-acetamido-2,6-anhydro-3,5-dideoxy-4-O-[3-(diethylamino)-3-(methylsulfonylimino)propoxy]-D-glycero-D-galactonon-2-enonic acid

5-acetamido-2,6-anhydro-3,5-dideoxy-4-O-[3-(phenylamino)-3-(methanesulfonylimino)propoxy]-D-glycero-D-galacto-non-2-enonic acid

5-acetamido-2,6-anhydro-3,5-dideoxy-4-O-[3-(diethylamino)-3-(tosylimino)propoxy]-D-glycero-D-galacto-non-2-enonic acid