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