The molecule is a pyrazolone that is antipyrine in which one of the hydrogens of the 5-methyl group is substituted by a hydroxymethyl group. It is a metabolite of the analgesic drug, antipyrene. It has a role as a drug metabolite and a human urinary metabolite. It derives from an antipyrine.
5-(hydroxymethyl)-1-methyl-2-phenylpyrazol-3-one