Acetaminophen NAPQI Toxicity RK.MD What Are the Potential Sites of Protein Arylation by N Acetyl p benzoquinone Imine (NAPQI)? Chemical Research in Toxicology Napqi hi res stock photography and images Alamy What Are the Potential Sites of Protein Arylation by N Acetyl p benzoquinone Imine (NAPQI)? Chemical Research in Toxicology NAPQI (N Acetyl 4 benzoquinone Imine) Acetaminophen Metabolite MedChemExpress Alcohol and paracetamol are both processed through the liver. Paracetamol can form a toxic metabolite called NAPQI, which the body usually neutralises safely. But factors like heavy alcohol use, repeated dosing, fasting,