(2R,4R)-2-[(3S,4S,6S)-6-[[(3S,4S,6R)-6-[(3S,4S,6R)-6-[2-[bis[2-[[(3R,12S,15R,17S)-15,16,17,18-tetrahydroxy-14-(hydroxymethyl)-2,4,11,13-tetraoxatricyclo[10.2.2.23,6]octadecan-5-yl]methylcarbamothioylamino]ethyl]amino]ethylcarbamothioylamino]-4-hydroxy-5-(sulfonatoamino)-2-(sulfonatomethyl)oxan-3-yl]oxy-2-carboxylato-4-hydroxy-5-(sulfonatoamino)oxan-3-yl]oxymethyl]-4-hydroxy-5-(sulfonatoamino)-2-(sulfonatomethyl)oxan-3-yl]oxy-4-hydroxy-3-(sulfonatoamino)-3,4-dihydro-2H-pyran-6-carboxylate