[beta-L-Glcp-(1->4)-[alpha-L-Glcp-(1->3)-alpha-L-GlcpNAc-(1->2)-L-gro-alpha-D-manHepp-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-alpha-L-3-deoxy-manOct2ulo?-onic(2->