?-6-deoxy-?-Hex?-(1→?)-?-?-Hex?-(1→?)[?-6-deoxy-?-Hex?-(1→?)]-?-?-Hex?NAc-(1→?)[?-6-deoxy-?-Hex?-(1→?)-?-?-Hex?-(1→?)-?-?-Hex?NAc-(1→?)]-?-?-Hex?NAc-(1→
