| Synonyms |
4-Amino-1,5-dimethyl-2-phenyl-3-pyrazolone, Aminoazophene, Metamizole Imp. B (EP), Antipyrine, 4-amino- (8CI), 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one, 1,2-Dihydro-1,5-dimethyl-2-phenyl-4-amino-3H-pyrazol-3-one, NSC 60242, 4-Amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one, (2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)amine, 4-AAP, 4-Amino-1,5-dimethyl-3-oxo-2-phenylpyrazoline, 4-Amino-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one, 4-Amino-2,3-dimethyl-1-phenyl-5-pyrazolone, 4-Amino-1,5-dimethyl-2-phenylpyrazolin-3-one, 4-Amino-1,2-dihydro-2,3-dimethyl-1-phenylpyrazol-5-one, 4-Amino-2,3-dimethyl-1-phenylpyrazolin-5-one, 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one, 4-Amino-1,5-dimethyl-2-phenyl-1H-pyrazol-3-one, Solvapyrin A, Aminoantipyrine, 4-Amino-1,5-dimethyl-2-phenyl-4-pyrazolin-3-one, 1-Phenyl-2,3-dimethyl-4-amino-5-pyrazolone, 4-Amino-1-phenyl-2,3-dimethyl-5-pyrazolone, Ampyrone,Metamizole Sodium Monohydrate Imp. B (EP), 4-Aminophenazone, 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 4-Aminoantipyrine, Metapirazone
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