[beta-L-Galp-(1->4)-[alpha-D-Fucp-(1->3)-beta-D-GlcpNAc-(1->3)]-beta-L-Galp-(1->4)-[alpha-D-Fucp-(1->3)-beta-D-GlcpNAc-(1->4)]-alpha-D-Fucp-(1->3)-?-D-Glcp(1-]-