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