SEARCH Articles Figures Tables 2,2,6,6-Tetramethylpiperidin-l-oxyl 2,2,6,6-Tetramethylpiperidines 2,2,6,6-tetramethylpiperidin-l-oxyl TEMPO) 2,2,6,6-tetramethylpiperidin-l-oxyl TEMPO) 2,2,6,6-tetramethylpiperidine-1 -oxyl 2,2,6,6-tetramethylpiperidine-1 -oxyl TEMPO) 2,2,6,6-tetramethylpiperidine-l-oxyl radical TEMPO) 2.2.6.6- Tetramethylpiperidine-l-oxyl Oxyls— TEMPO TEMPO (2,2 ,6,6 -tetramethylpiperidine Tetramethylpiperidin