[beta-L-Manp4lSLac-(1->4)-beta-L-Manp-(1->3)-beta-D-Glcp-(1->4)-[alpha-L-Arap-(1->4)-alpha-D-GlcpN-(1->3)-alpha-L-GalpA-(1->2)-alpha-L-GalpA-(1->3)]-D-Fuc(?-]-