title: N'-nitrosonornicotine in Japanese tobacco products.
mesh_terms: D002273:Carcinogens / Q000032:analysis*; D007564:Japan; D009602:Nitrosamines / Q000032:analysis*; D010947:Plants, Toxic; D011725:Pyridines / Q000032:analysis*; D014026:Nicotiana / Q000032:analysis*
chemical_list: D002273:Carcinogens; D009602:Nitrosamines; D011725:Pyridines; C008655:N'-nitrosonornicotine