13551-21-8 2-(Acetylamino)-2-deoxy-3-O-glucopyranuronosyl-D-glucopyranose D-Glucose, 2-(acetylamino)-2-deoxy-3-O-beta-D-glucopyranuronosyl- N-Acetylhyalobiuronic acid beta-Glucuronic acid(1-3) N-acetyl-D-glucosamine