Methyl O-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranosyl-(1->4)-O-beta-D-glucopyra-nuronosyl-(1->4)-O-2-deoxy-3,6-di-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranosyl-(1->4)-O-2-O-sulfo-alpha-L-idopyranuronosyl-(1->4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranoside, decasodium salt