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