[5-Acetamido-6-[2-[5-acetamido-6-[5-acetamido-4-[4-[3-acetamido-5-[3,5-dihydroxy-6-(hydroxymethyl)-4-sulfooxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-[[3-acetamido-4,5-dihydroxy-6-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxymethyl]-3,5-dihydroxyoxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3-hydroxy-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl hydrogen sulfate