Term Name:	Delta(4)-beta-D-GlcpA-(1->4)-alpha-D-GlcpNAc
Synonyms:	(2R,3R,4R)-2-[(2R,3S,4R,5R,6S)-5-acetamido-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxy-3,4-dihydro-2H-pyran-6-carboxylic acid, 2-acetamido-2-deoxy-4-O-alpha-L-threo-hex-4-enopyranuronosyl-alpha-D-glucopyranose, WURCS=2.0/2,2,1/[a2122h-1a_1-5_2*NCC/3=O][a21EEA-1a_1-5]/1-2/a4-b1
Definition:	An amino disaccharide consisting of alpha-L-threo-hex-4-enopyranuronic acid and 2-acetamido-2-deoxy-alpha-D-glucopyranose residues joined in sequence by a (1->4) glycosidic bond.
Ontology:	ChEBI [CHEBI:150237]  ( EBI )