The molecule is a member of the class of pyrazoles that is antipyrine substituted at C-4 by a methylamino group. It is a metabolite of aminopyrine and of metamizole. It has a role as a non-narcotic analgesic, an opioid analgesic, a non-steroidal anti-inflammatory drug, an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor, a peripheral nervous system drug, an antipyretic and a drug metabolite. It is a member of pyrazoles and a secondary amino compound. It derives from an antipyrine.
1,5-dimethyl-4-(methylamino)-2-phenylpyrazol-3-one