1-(4-methylphenyl)-5-phenylpyrazole-3-carboxylic acid 1-(4-methylphenyl)-5-phenyl-pyrazole-3-carboxylic acid 1-(4-methylphenyl)-5-phenyl-3-pyrazolecarboxylic acid 4N-640S EU-0079586 MLS000521440 SMR000131848