[beta-D-GlcpNAc-(1->3)-beta-L-Galp-(1->4)-beta-D-GlcpNAc-(1->4)-?-L-Galp-(1->?)-[beta-D-GlcpNAc-(1->?)-L-gro-alpha-D-manHepp-(1->?)-beta-D-Glcp-(1->?)-L-gro-alpha-D-manHepp-(1->?)]]-?-L-3-deoxy-manOct2ulop-onic(2->