A pyrazolone, a member of the class of pyrazoles that is antipyrine substituted at C-4 by an amino group. It is a metabolite of aminopyrine and of metamizole.
CAS 83-07-8|4-amino-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one|Ampyrone|aminoantipyrine|4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one|4-Aminoantipyrine|4-Aminophenazone|4-amino-1,5-dimethy... | Molfinder