3-((4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-N,N,- N-trimethylbenzenaminium chloride; Benzenaminium, 3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-N,N,- N-trimethyl-,chloride 5-Hydroxy-3-methyl-1-phenyl-4-(3-trimethylammoniophenylazo)pyrazole, chloride
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