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