Main Reaction: 2H2O2+ 4 − aminophenazone + phenol >> quinoneimine dye

Reference: PubMed ID: 23143624
Authors: Srisawasdi P, Prasertsincharoen N, Kroll MH
Title: Porcine pancreas: a superior source of cholesterol esterase for total serum cholesterol assay by the enzymatic kinetic method.
Published: 2012 Nov

2H2O2 + 4 − aminophenazone + phenol --> quinoneimine dye