furthermore , when chemically sulphated to an extent comparable with or higher than heparin , otherwise inactive glycosaminoglycans such as heparan sulphate , chondroitin 4-sulphate , dermatan sulphate and neutral polysaccharides such as dextran and amylose were converted into potent inhibitors .
C0019134
heparin
C0017973
glycosaminoglycans