[beta-D-Galp3S-(1->4)-beta-D-GlcpNAc6S-(1->6)-[alpha-D-GlcpNAc-(1->3)-alpha-D-GalpNAc-(1->3)-alpha-L-Fucp-(1->2)-beta-D-Galp-(1->3)]-?-D-GalpNAc(1-]-