[alpha-D-GlcpN-(1->7)-L-gro-alpha-D-manHepp-(1->7)-[D-gro-alpha-L-manHepp-(1->6)-D-gro-alpha-L-manHepp-(1->6)-alpha-D-Glcp-(1->2)-alpha-D-Glcp-(1->2)]-alpha-L-Galp-(1->3)-alpha-D-Glcp-(1->3)-L-gro-alpha-D-manHepp-(1->3)]-L-gro-alpha-D-manHepp4P-(1->5)-D-gro-L-3-deoxy-galNon2ulo-onic(?->