[alpha-D-Glcp-(1->6)-[alpha-D-Glcp-(1->6)-alpha-D-Glcp-(1->4)-beta-L-Galp-(1->6)-beta-D-Glcp-(1->3)-beta-L-Galp-(1->3)]-beta-L-GalpNAc-(1->4)]-D-gro-L-3-deoxy-galNon2ulo5Ac-onic(?->