Synonyms: N-[(2R,3R,4S,5R)-3,4-bis[[(2R,3R,4R,5S,6R)-3-amino-4,5-dihydroxy-6-(hy droxymethyl)oxan-2-yl]oxy]-5,6-dihydroxy-1-oxo-hexan-2-yl]acetamide;2-amino-2-deoxyglucopyranosyl-1-4-2-amino-2-deoxyglucopyranosyl-(1-4)-2-acetamido-2-deoxyglucopyranoside