The molecule is an amino tetrasaccharide consisting of alpha-D-GlcNAc-(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc-(1->4)-beta-D-GlcA in which the hydrogen attached to the anomeric oxygen is replaced by a 4-nitrophenyl group. It is a glycoside, a C-nitro compound, an amino tetrasaccharide and a carbohydrate acid derivative.
(2S,3S,4R,5R,6R)-6-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2S,3S,4R,5R,6S)-2-carboxy-4,5-dihydroxy-6-(4-nitrophenoxy)oxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3-[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxyoxane-2-carboxylic acid