Smokers as well as nonsmokers when exposed to sidestream cigarette smoke excrete NNAL and its glucuronide conjugate in their urine. Besides, NNAL was proved to be the major metabolite of N-nitrosa mine-4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
Smokers as well as nonsmokerswhen exposed to sidestream cigarette smoke excreteNNAL and its glucuronide conjugate in their urine. Besides,NNAL was proved to be the major metabolite of N-nitrosamine-4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone