?-D-GlcpNAc-(1->?)-?-D-Manp-(1->?)[?-D-Manp-(1->?)][?-?-Xylp-(1->?)]-?-D-Manp-(1->?)-?-D-GlcpNAc-(1->?)[?-?-Fucp-(1->?)]-?-D-GlcpNAc-(1->
