Neu5Ac(a2-6),Gal(b1-4)GlcNAc(b1-2)Man(a1-3/6)[Gal(b1-4)GlcNAc(b1-2)Man(a1-3/6)]Gal(b1-4)GlcNAc(b1-4)[Fuc(a1-6)]GlcNAc(?1-