[alpha-L-Manp-(1->3)-alpha-L-Manp-(1->2)-alpha-L-Manp-(1->2)-alpha-L-Manp-(1->2)]-alpha-L-Manp6PEtn-(1->2)-alpha-L-Manp-(1->6)-alpha-L-Manp-(1->4)-alpha-D-GlcpN(1->