3-Methyl-1-phenyl-1H-pyrazol-5-yl β-D-Glucopyranosiduronic Acid Methyl Ester 2,3,4-Triacetate is an intermediate in the synthesis of Sodium Salt (N661105). Norantipyrine Glucuronide is a metabolite of Antipyrine. Antipyrine (A697500), a non-steroidal anti-inflammatory drug, is widely utilized as a probe for human oxidative drug metabolism. Antipyrine metabolites are formed by various hepatic cytochrome P450 enzymes.