p. 4548 - 4551
(2013/09/24)p. 4461 - 4482
(2012/10/30)sodium 2,2,6,6-tetramethylpiperidine-1-oxide
2,2,6,6-tetramethyl-piperidine-N-oxyl
1-(2-azido-1-phenylethoxy)-2,2,6,6-tetramethylpiperidine
methyl 2-methyl-2-(2,2,6,6-tetramethylpiperidin-1-yloxy)butyrate
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical