| Al(OTf)3 | Aluminum triflate (OTf = OSO2CF3) |
| Bu4NClO4 | Tetra-n-butylammonium perchlorate |
| DPPH• | 2,2-Diphenyl-1-picrylhydrazyl |
| DPPH− | One-electron-reduced species of DPPH• |
| DPPH+ | One-electron-oxidized species of DPPH• |
| EPR | Electron paramagnetic resonance |
| EtOH | Ethanol |
| MeCN | Acetonitrile |
| MeOH | Methanol |
| •NO | Nitric oxide |
| PTIO• | 2-Phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide |
| PTIO− | One-electron-reduced species of PTIO• |
| PTIO+ | One-electron-oxidized species of PTIO• |
| PTIOH | Protonated form of PTIO− |
| SCE | Saturated calomel electrode |
| Sc(OTf)3 | Scandium triflate (OTf = OSO2CF3) |
| TEMPO | 2,2,6,6-Tetramethylpiperidyl-1-oxyl |