alpha-D-GlcpNAc-(1->3)-beta-D-ManpNAc-(1->4)-beta-D-GalpNAc-(1->3)-alpha-D-GlcpNAc-(1->3)-beta-D-ManpNAc-(1->4)-beta-D-GalpNAc-(1->3)-alpha-D-GlcpNAc-(1->3)[alpha-D-GlcpNAc-(1->3)-beta-D-ManpNAc-(1->4)-beta-D-GalpNAc-(1->3)-alpha-D-GlcpNAc-(1->3)-beta-D-ManpNAc-(1->4)-beta-D-GalpNAc-(1->3)-alpha-D-GlcpNAc-(1->4)]-beta-D-ManpNAc-(1->3)-alpha-D-GlcpNAc-(1->3)-beta-D-ManpNAc-(1->3)-alpha-D-GlcpNAc-(1->3)-alpha-D-GlcpNAc(1->