heparosan N-sulfate L-iduronate polyanion
heparosan n-sulfate l-iduronate polyanion
A carbohydrate acid derivative anion that is a polyanionic form of heparosan <em>N</em>-sulfate <small>L</small>-iduronic acid arising from global deprotonation of the carboxy and N-sulfo groups; major species at pH 7.3.