[beta-L-Galp-(1->3)-[alpha-D-Fucp-(1->?)-[beta-L-Galp-(1->?)-beta-D-GlcpNAc-(1->?)]-beta-L-Galp-(1->?)-alpha-D-Fucp-(1->?)-beta-D-GlcpNAc-(1->?)]-L-GalNAc(?-]-