?-D-Kdn?-(2->4)[?-D-Glc?-(1->2)?-D-GlcpNAc-(1->3)[?-?-Hep?-(1->7)-L-gro-?-D-manHepp-(1->7)]-L-gro-?-D-manHepp-(1->3)[?-D-Glcp-(1->4)]-L-gro-?-D-manHepp-(1->5)]-D-Kdn(?->