SEARCH Articles Figures Tables 2,2,6,6-tetramethylpiperidine-l-oxyl radical 2,2,6,6-tetramethylpiperidine-l-oxyl radical TEMPO) 4.4.5.5- Tetramethylimidazoline-3-oxide-1 oxyl radicals Acyl oxyl radical Guanine oxyl radical N-Oxyl radicals formed from Oxyl radical configurations Oxyl radical functionality Oxyl radical mechanism Oxyls— Peroxyl oxyl radical formation from Phthalimide A-oxyl radical Radical 4-penten-1 -oxyl Tetramethylpiperidine 1-oxyl free radical Tetramethylpiperidine 1-oxyl free radical TEMPO) Tetramethylpiperidine-N-oxyl radical