beta-?-GalpNAc4S-(1->4)-beta-D-GlcpNAc-(1->2)-alpha-D-Manp-(1->3/6)[beta-D-GlcpNAc-(1->2)-alpha-D-Manp-(1->3/6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)[?-L-Fuc?-(1->3/6)]-beta-D-GlcpNAc(1->
