the progressive periodate oxidation of glycosaminoglycans ( gag ) , including hyaluronate ( ha ) , chondroitins ( ch ) ( chondroitin , chondroitin 4- and 6-sulfate ) , dermatan sulfate ( ds ) , and keratan sulfate ( ks ) , were monitored by cd and high performance liquid chromatography ( hplc ) using a size-exclusion column .
C0008454
chondroitin
C0011602
dermatan sulfate