under the ph 6 conditions , the chondroitin 4-sulfate was converted to a mixture of penta- and heptasaccharides , with only a small amount of trisaccharide , but the products from chondroitin 6-sulfate were a mixture of oligosaccharides ranging in degree of polymerization from 7 to 25 monosaccharides per oligosaccharide .
C0041102
trisaccharide
C0028959
oligosaccharide