fragmentation of hyaluronic acid , keratan sulfate , chondroitin 4-sulfate , chondroitin 6-sulfate , dermatan sulfate , and heparin yielded a total of 14 disaccharides comprising the major sequences ( greater than 1 mol % ) occurring in mammalian glycosaminoglycans .
C0019134
heparin
C0017973
glycosaminoglycans