?-D-Galf-(1->3)?-D-Galf-(1->3)[?-D-GalpA3Me-(1->6)]-?-D-GlcpNAc-(1->4)-?-D-GalpA-(1->3)-?-D-GalpNAc4S-(1->4)?-D-GalpA3Me-(1->6)[4)-?-D-GlcpNAc-(1->4)-?-D-GalpA-(1->3)-?-D-GalpNAc4S-(1->]n