[alpha-L-GalpA2N-(1->6)-[beta-L-FucpNN-(1->3)-beta-L-FucpNN-(1->6)-alpha-L-GlcpN-(1->4)-beta-L-Glcp-(1->4)]-[alpha-L-GlcpN-(1->7)-beta-L-GlcpA-(1->2)-L-gro-alpha-D-manHepp4P-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-alpha-L-3-deoxy-manOct2ulop4P-onic-(2->6)-beta-L-GlcpN4P-(1->6)-alpha-L-GlcpN(1->