carbohydrate analyses of the oligosaccharides revealed that they were composed of neu5gc , galactose and n-acetylgalactosaminitol in the molar ratios of 1:1:1 ( trisaccharide ) , 2:1:1 ( tetrasaccharide ) and 3:1:1 ( pentasaccharide ) .
C0028959
oligosaccharides
C0041102
trisaccharide