An antipyrine derivative that functions as a free radical scavenger and neuroprotective agent. It is used in the treatment of AMYOTROPHIC LATERAL SCLEROSIS and STROKE.

Synonyms: 3-Methyl-1-phenyl-2-pyrazolin-5-one, Edarabone, 3 Methyl 1 phenyl 2 pyrazolin 5 one, MCI 186, 3H-pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, Radicava, MCI186, 0, 1-Phenyl-3-methyl-5-pyrazolone, Norantipyrine, S798V6YJRP, Phenylmethylpyrazolone, Norphenazone, 1 Phenyl 3 methyl 5 pyrazolone, Edaravone, MCI-186