Galb1-4GlcNAcb1-2Mana1-?(Galb1-4GlcNAcb1-?(Galb1-4GlcNAcb1-2)Mana1-?)(GlcNAcb1-4)Manb1-4GlcNAcb1-4(Fuca1-6)GlcNAcb