(2S,3S,4S,5R,6R)-3-[(2R,3R,4S,5R,6R)-5-[4-[6-[3-[[3-[[6-[4-[(2R,3R,4S,5R,6R)-6-[(2S,3S,4S,5R,6R)-2-carboxylato-6-[(2R,3R,4S,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxylato-4-methoxy-6-[(2R,3R,4S,5R,6S)-6-methoxy-4,5-disulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-5-sulfonatooxyoxan-3-yl]oxy-4,5-disulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-4,5-dimethoxyoxan-3-yl]oxy-4,5-disulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxyanilino]-6-oxohexyl]amino]-3-oxopropyl]disulfanyl]propanoylamino]hexanoylamino]phenoxy]-3,4-disulfonatooxy-6-(sulfonatooxymethyl)oxan-2-yl]oxy-6-[(2R,3R,4S,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxylato-4-methoxy-6-[(2R,3R,4S,5R,6S)-6-methoxy-4,5-disulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-5-sulfonatooxyoxan-3-yl]oxy-4,5-disulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-4,5-dimethoxyoxane-2-carboxylate