Benzenesulfonamide,4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N-2-pyridinyl-(9CI); Benzenesulfonamide,p-[(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)azo]-N-2-pyridyl- (8CI); NSC114419
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