[alpha-L-Manp-(1->6)-[alpha-L-Manp-(1->2)-alpha-L-Manp-(1->3)-alpha-L-Manp-(1->6)]-alpha-L-Manp-(1->2)-alpha-L-Manp-(1->2)-alpha-L-Manp-(1->3)-beta-L-Manp-(1->4)]-alpha-D-GlcpNAc(1->