| Synonyms |
Sodium 4-chloro-3-(4,5-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonate; sodium 4-chloro-3-{3-methyl-4-[(2E)-2-(4-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazinyl]-5-oxo-4,5-dihydro-1H-pyrazol-1-yl}benzenesulfonate |