71901-46-7 Chondroitin sulfate trisaccharide D-Galactose, O-2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-galactopyranosyl-(1-4)-O-beta-D-glucopyranuronosyl-(1-3)-2-(acetylamino)-2-deoxy-, 6-(hydrogen sulfate) N-Acetylgalactosamine 6-sulfate-glucuronic acid-N-acetylgalactosamine 6-sulfate