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