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->