Disodium hydrogen bis[5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxybenzenesulphonato(3-)]chromate(3-)
Bis[5-chloro-3-[(4,5-dihydro-3-méthyl-5-oxo-1-phényl-1H-pyrazole-4-yl)azo]-2-hydroxybenzènesulfonato(3-)]chromate(3-) de disodium et d'hydrogène