Glc(a1-2)[Gro(a1-6)GlcNAc(b1-4)]GalA(a1-3)[GalA(b1-7)Gro(b1-7)]Gro(a1-3)[Glc(a1-6)Glc(b1-4)]Gro(a1-5)Kdo(a2-