Benzoicacid, p-(3-methyl-5-oxo-2-pyrazolin-1-yl)- (6CI);1-(4-Carboxyphenyl)-3-methyl-2-pyrazolin-5-one;1-(4-Carboxyphenyl)-3-methyl-2-pyrazolinone;1-(4-Carboxyphenyl)-3-methyl-5-pyrazolone;1-(p-Carboxyphenyl)-3-methyl-5-pyrazolone;4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid;4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzoic acid;4-(3-Methyl-5-oxopyrazol-1-yl)benzoicacid;
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