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