beta-D-GalpNAc-(1->4)-alpha-D-GalpNAc-(1->3)-beta-D-GlcpNAc-(1->4)-alpha-D-Glcp-(1->2)[alpha-D-Galp-(1->6)-beta-D-Glcp-(1->4)]-alpha-D-Glcp-(1->3)-?-?-Hep?-(1->?)-?-?-Hep?-(1->?)-?-?-Hep?-(1->?)-D-Kdn(?->