the molar proportions of l-iduronate-n-acetylgalactosamine 4-sulphate , d-glucuronate-n-acetyl-galactosamine 4-sulphate and d-glucuronate-n-acetylgalactosamine 6-sulphate were 75 : 18 :7 in fraction pg-25 and 14 :46 :40 in fraction pg-35 .
C0016943
galactosamine
C0001055
acetylgalactosamine