Galb1-4GlcNAcb1-2(Galb1-4GlcNAcb1-4)Mana1-3(GlcNAcb1-?(Galb1-4GlcNAcb1-?)Mana1-6)Mana1-4GlcNAcb1-4(Fuca1-6)GlcNAc
