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