title: [The pyrazolones].
mesh_terms: D001032:Apazone / Q000494:pharmacology / Q000627:therapeutic use; D000075202:Contraindications; D010113:Oxyphenbutazone / Q000494:pharmacology / Q000627:therapeutic use; D010653:Phenylbutazone / Q000494:pharmacology / Q000627:therapeutic use; D011720:Pyrazoles / Q000494:pharmacology / Q000627:therapeutic use; D047069:Pyrazolones
chemical_list: D011720:Pyrazoles; D047069:Pyrazolones; C038362:pyrazolone; D010653:Phenylbutazone; D010113:Oxyphenbutazone; D001032:Apazone
vernacular_title: Las pirazolonas.