1'-Demethyl-1'-nitrosonicotine 1'-Desmethyl-1'-nitrosonicotine 1'-Nitroso-1'-demethylnicotine 1'-Nitrosonornicotine 1-Nitroso-2-(3-pyridyl)pyrrolidine 16543-55-8 3-(1-Nitroso-2-pyrrolidinyl)pyridine 53759-22-1 64162-57-8 64162-58-9 CCRIS 1218 HSDB 5114 N'-Nitrosonornicotine N-NITROSONORNICOTINE NNN Nicotine, 1'-demethyl-1'-nitroso- Nicotine, 1'-nitroso-1'-demethyl- Nitrosonornicotine Pyridine, 3-(1-nitroso-2-pyrrolidinyl)-, (S)-