alpha-D-GlcpNAc-(1->2)-alpha-D-Glcp-(1->2)-alpha-D-Glcp-(1->3)[alpha-D-Galp-(1->6)]-alpha-D-Glcp-(1->3)[L-gro-alpha-D-manHepp7PPEtn-(1->7)]-L-gro-alpha-D-manHepp4PPEtn-(1->3)[L-gro-alpha-D-manHepp7PPEtn-(1->7)]-L-gro-alpha-D-manHepp4PEtn(1->