?-L-Fucp-(1->?)-?-D-GlcpNAc-(1->?)-?-D-GalpNAc-(1->?)[?-L-Fucp-(1->?)]-?-D-Galp-(1->?)[?-D-Galp3S-(1->?)-?-D-GlcpNAc6S-(1->?)]-?-D-GalpNAc(1->