GlcNAcb1-2(GlcNAcb1-?(Galb1-4GlcNAcb1-?)Mana1-4GlcNAcb1-4)Mana1-3(GlcNAcb1-4)(GlcNAcb1-2(GlcNAcb1-4Mana1-4GlcNAcb1-4)Mana1-6)Manb1-4GlcNAcb1-4GlcNAcb
