?-L-Rhap-(1->?)-?-D-Glcp-(1->?)-L-gro-?-D-manHepp-(1->?)[L-gro-?-D-3,9-deoxy-galNon2ulop5,7N2-onic-(2->?)-?-D-Glcp-(1->?)]-D-gro-?-D-manHepp-(1->?)-D-Kdn4P(?->