the oligosaccharide portion was chromatographed on deae-cellulose , and the effluent fractions were analysed for glucuronic acid and n-acetylglucosamine , reduced with nabh4 , digested by beta-n-acetylhexosaminidase and subjected to acid hydrolysis and glucosamine determination .
C0001056
n-acetylglucosamine
C0017718
glucosamine