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