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