the major neutral oligosaccharide isolated ( 21 % of recovered galnacol ) was a tetrasaccharide , gal : glcnac : galnacol = 2:1:1 , and the major acidic oligosaccharide isolated ( 11 % of recovered galnacol ) was a trisaccharide , gal : galnacol : neuac = 1:1:1 .
C0028959
oligosaccharide
C0041102
trisaccharide