beta-D-Glcp-(1->4)[beta-D-Glcp-(1->4)-beta-D-Glcp-(1->4)-alpha-D-GlcpA-(1->3)-alpha-L-Fucp-(1->3)]-beta-D-Glcp-(1->4)-alpha-D-GlcpA-(1->3)-?-L-Fucp2Ac(1->