The molecule is any of a group of glycosaminoglycans with repeating units consisting of variously sulfated beta1->4-linked L-iduronyl-(alpha1->3)-N-acetyl-D-galactosamine units. It has a role as a hematologic agent and an anticoagulant. It is a sulfated glycosaminoglycan and a mucopolysaccharide. It derives from a dermatan. It is a conjugate acid of a dermatan sulfate polyanion.
(2R,3S,4S,5R,6R)-6-[(2R,3R,4R,5R,6R)-3-acetamido-2-hydroxy-6-(hydroxymethyl)-5-sulfooxyoxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid