| http://www.w3.org/ns/prov#value | - wherein the uronic units are 40%-60% those of iduronic acid, q is an integer from 2 to 17, advantageously from 2 to 14, preferably from 2 to 11, R, R??? and R??? are hydrogen or SO3 ???, for a sulfation degree of from 2.3 to 2.9, and the reducing end of the majority of the chains in said mixture of chains presents a sulfated 2,5-anidromannitol unit of structure (a???)
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