73018-78-7

Chromate(3-),[5-amino-4-(hydroxy-kO)-3-[2-[2-(hydroxy-kO)-5-nitrophenyl]diazenyl-kN1]-2,7-naphthalenedisulfonato(4-)][2-[2-[4,5-dihydro-3-methyl-5-(oxo-kO)-1-phenyl-1H-pyrazol-4-yl]diazenyl-kN1]benzoato(2-)-kO]-, hydrogen (1:3)