| 4-pyridinecarbonitrile, 1-oxide |
| 4-cyanopyridine n-oxide |
| iso-Nicotinonitrile N-Oxide |
| Isonicotinonitrile N-Oxide |
| 1-Oxy-isonicotinonitrile |
| Isonicotinonitrile 1-oxide |
| 4-Pyridinecarbonitrile,1-oxide |
| 4-Pyridinecarbonitrile 1-oxide |
| 4-cyanopyridinium-1-olate |
| 4-Cyanopyridine-N-oxide |
