[alpha-L-Fucp-(1->3/4)-[beta-D-GalpNAc-(1->3/4)-beta-D-GlcpNAc-(1->6)]-[alpha-L-Fucp-(1->3/4)-beta-D-GalpNAc-(1->3/4)-beta-D-GlcpNAc-(1->3)]-D-GalNAc(?-]-