| Label | Id | |
|---|---|---|
| 4-[methyl(nitroso)amino]-1-(pyridin-3-yl)butan-1-one | http://purl.obolibrary.org/obo/CHEBI_32692 | |
| NNK | http://purl.obolibrary.org/obo/CHEBI_32692 | |
| 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone | http://purl.obolibrary.org/obo/CHEBI_32692 | |
| 4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone | http://purl.obolibrary.org/obo/CHEBI_32692 | |
| 4-(N-nitrosomethylamino)-1-(3-pyridyl)butan-1-one | http://purl.obolibrary.org/obo/CHEBI_32692 | |
| NNK (carcinogen) | http://purl.obolibrary.org/obo/CHEBI_32692 |