(2R,3R,4R)-2-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2S,3S,4R,5R,6R)-2-carboxy-6-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-[(3R,4R,5R,6R)-4,5,6-trihydroxyoxan-3-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-4-hydroxy-2-(sulfooxymethyl)oxan-3-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-3-sulfooxy-3,4-dihydro-2H-pyran-6-carboxylic acid