84682-46-2

Disodium (4-(4,5-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonato(3-))(1-((2-hydroxy-5-nitrophenyl)azo)-2-naphtholato(2-))chromate(2-)