| 1'-demethyl-1'-nitroso-nicotin |
| 1'-demethyl-1'-nitrosonicotine |
| 1'-desmethyl-1'-nitrosonicotine |
| 1'-nitroso-1'-demethylnicotine |
| 1'-nitrosonornicotine |
| 1-nitroso-2-(3-pyridyl)pyrrolidine |
| 3-(1-nitroso-2-pyrrolidinyl)pyridine |
| n'-nitrosonornicotine |
| n-nitrosonornicotine |
| 1'-nitroso-1'-demethyl-nicotin |
| nitrosonornicotine |
| nnn |
