Gal(b1-4)GlcNAc(b1-3),Gal(b1-4)GlcNAc(b1-3),Gal(b1-4)GlcNAc(b1-3),Gal(b1-4)GlcNAc(b1-3),Gal(b1-4)GlcNAc(b1-2)[Gal(b1-4)GlcNAc(b1-?)]Man(1-]