Dairy tellurides effectively protect against peroxynitrite-mediated oxidation of DHR. Bis(4-aminophenyl) telluride offered the most efficient protection against DHR induced peroxynitrite. (I think this has to do with food spoilage.) - Protection by organotellurium compounds against peroxynitrite-mediated oxidation and nitration reactions - Pub Med Nicotinamide N-methyltransferase catalyses the N-methylation of nicotinamide and structurally related pyridines.- Human nicotinamide N-methyltransferase pharmacogenetics - Pub Med. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine is a selective dopaminergic neurotoxin - Pub Med Toluene is a pesticide used to kill birds. Toluene or 4-aminopyridine causes tremors, convulsions, and death in small animals. EPA 4-aminopyridine binds with norharman, a tryptophan pyrolysate. EPA Endogenous occuring beta-carboline (norharman) induces parkinsonian in nonprimate animals: a possible causitive protoxin in idiopathic Parkinsons disease - Pub Med