?-?-HexpA-(1->3)-beta-D-GalpNAc-(1->4)-[4)-?-?-HexpA-(1->3)-beta-D-GalpNAc-(1->]3-6-beta-D-GlcpA-(1->?)-beta-D-Galp-(1->?)-beta-D-Galp-(1->?)-beta-D-Xylp(1->
