(2S,3S,4S,5R,6R)-3-[(2R,3R,4S,5R,6R)-5-[2-[2-[2-[2-(3-acetylsulfanylpropanoylamino)ethoxy]ethoxy]ethoxy]ethoxy]-3,4-dimethoxy-6-(sulfooxymethyl)oxan-2-yl]oxy-6-[(2R,3R,4S,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-4,5-dimethoxy-6-[(2R,3R,4S,5R,6S)-6-methoxy-4,5-disulfooxy-2-(sulfooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-disulfooxy-2-(sulfooxymethyl)oxan-3-yl]oxy-4,5-dimethoxyoxane-2-carboxylic acid