NeuAc?2-?Gal?1-?GlcNAc?1-?(NeuAc?2-?Gal?1-?GlcNAc?1-?)Mana1-3(GlcNAcb1-4)(Gal?1-?Gal?1-?GlcNAc?1-?Mana1-6)Manb1-4GlcNAcb1-4GlcNAc
