[?-?-Hep?-(1->7)-alpha-?-Hep?-(1->7)-[?-?-Hep?-(1->7)-alpha-?-Hep?-(1->7)-[beta-L-GlcpNAc-(1->?)-[beta-L-Glcp-(1->?)-?-L-Glcp-(1->?)]-beta-L-Galp-(1->?)-?-L-Glcp-(1->3)]-alpha-?-Hep?4P-(1->3)]-alpha-?-Hep?4P-(1->?)]-L-3-deoxy-manOct2ulo-onic(?->