benzyl 4,6-O-benzylidene-α-D-mannopyranosido<2,3:5',6'>pyrazan-2',3'-dione

Benzyl-4,6-O-benzyliden-2,3-didesoxy-2,3-bis(ethoxymalonylamino)-α-D-glucopyranosid

Benzyl-2,3-diamino-2,3-di-N-benzoyl-4,6-di-O-benzoyl-2,3-didesoxy-2,3-N-oxalyl-α-D-glucopyranosid

benzyl 2-acetamido-4,6-O-benzylidene-3-<(carboxymethyl)amino>-2,3-dideoxy-α-D-glucopyranoside

benzyl 2-acetamido-4,6-O-benzylidene-3-<(carbomoylmethyl)amino>-2,3-dideoxy-α-D-glucopyranoside