?-D-Sedf-(2->?)-?-D-Gal?-(1->?)[?-D-Glc?N-(1->?)]-L-gro-?-D-manHep?-(1->?)-L-gro-?-D-manHep?-(1->?)?-D-Sedf-(2->?)-?-D-Glc?-(1->?)[?-D-Glc?-(1->?)]-L-gro-?-D-manHep?-(1->?)-?-D-Kdop4P(2->