CAS No 12678-07-8 , 3-[3-acetamido-4-[5-[3-acetamido-4-[5-[3-acetamido-4,
5-dihydroxy-6-(sulfonatooxymethyl)oxan-2-yl]oxy-6-carboxylato-3,
4-dihydroxyoxan-2-yl]oxy-5-hydroxy-6-(sulfonatooxymethyl)oxan-2-yl]oxy-
6-carboxylato-3,
4-dihydroxyoxan-2-yl]oxy-5-hydroxy-6-(sulfonatooxymethyl)oxan-2-yl]oxy-
4,5,6-trihydroxyoxane-2-carboxylate