Neu5Gc(a2-?),Neu5Gc(a2-?),Neu5Ac(a2-?),Gal(b1-4)GlcNAc(?1-?),Gal(b1-4)GlcNAc(?1-?)Man(a1-3)[Gal(b1-4)GlcNAc(?1-?)Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc(?1-