sodium(2R,3R,4S)-4-hydroxy-2-(((2R,3S,4R,5R,6S)-4-hydroxy-6-methoxy-5-(sulfonatoamino)-2-((sulfonatooxy)methyl)tetrahydro-2H-pyran-3-yl)oxy)-3-(sulfonatooxy)-3,4-dihydro-2H-pyran-6-carboxylate