?-D-GalpNAc4S-(1->?)-?-D-GlcpNAc-(1->?)-?-D-Manp-(1->?)[?-D-GalpNAc4S-(1->?)-?-D-GlcpNAc-(1->?)-?-D-Manp-(1->?)]-?-D-Manp-(1->?)-?-D-GlcpNAc-(1->?)[?-L-Fuc?-(1->?)]-?-D-GlcpNAc(1->