Fondaparinux Sodium Impurity 1

755023-61-1

(2R,3R,4S,5R,6R)-3-(((2R,3R,4R,5R,6R)-5-(((2R,3R,4R,5S,6S)-6-Carboxy-5-(((2R,3R,4R,5S,6R)-4,5-dihydroxy-3-(sulfoamino)-6-((sulfooxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydroxytetrahydro-2H-pyran-2-yl)oxy)-3-(sulfoamino)-4-(sulfooxy)-6-((sulfooxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)-6-(((2R,3S,4R,5R,6S)-4-hydroxy-6-methoxy-5-(sulfoamino)-2-((sulfooxy)methyl)tetrahydro-2H-pyran-3-yl)oxy)-4,5-bis(sulfooxy)tetrahydro-2H-pyran-2-carboxylic Acid, Undecasodium Salt;