Figure 1

Phenyl-3-methyl-2-pyrazol-5-one, known as PMP or Edaravone and the related pharmaceutical products antipyrine (phenazone) and propyphenazone.

Phenyl-3-methyl-2-pyrazol-5-one, known as PMP or Edaravone and the related pharmaceutical products antipyrine (phenazone) and propyphenazone.