preferred_name: ->4)-alpha-D-GalNAc-(1->6)-alpha-D-GlcN-(1->4)-alpha-D-(1->3)-[alpha-D-GalN-(1->4)-alpha-D-GalA-(1->7)-alpha-LD-Hep-(1->7)]-[beta-D-Glc-(1->2)]-alpha-LD-Hep-(1->3)-[beta-D-Gal-(1->4)]-alpha-LD-Hep-(1->5)-alpha-Kdo