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