N-((2S,3R,4R,5S,6R)-5-(((2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-2-(((2R,3S,4R,5R,6S)-5-acetamido-6-(((2R,3S,4R,5R,6S)-5-acetamido-6-(((2R,3S,4R,5R)-5-acetamido-4,6-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-4-hydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-4-hydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-4-hydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)acetamide; GlcNAc1-b-4-GlcNAc1-b-4GlcNAc1-b-4GlcNAc1-b-4GlcNAc