oligosaccharide s1 , accounting for about 20 % of the disaccharide units recovered , was characterized as glcn-murac-glcn-murac-glcnac-murac , while oligosaccharide s2 , present in a smaller amount , as glcnac-murac-glcn-murac-glcnac-murac .
C0012611
disaccharide
C0028959
oligosaccharide