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