Synonyms: Piperidinooxy,2,2,6,6-tetramethyl-4-oxo- (8CI);1-Oxyl-2,2,6,6-tetramethyl-4-oxopiperidine;1-Oxyl-2,2,6,6-tetramethyl-4-piperidone;1-Oxyl-2,2,6,6-tetramethylpiperidin-4-one;2,2,6,6-Tetramethyl-4-oxo-1-piperidinooxy;2,2,6,6-Tetramethyl-4-oxo-1-piperidinyloxy;2,2,6,6-Tetramethyl-4-oxo-1-piperidinyloxyl;2,2,6,6-Tetramethyl-4-oxo-piperydin-1-oxyl;2,2,6,6-Tetramethyl-4-oxopiperidin-1-oxyl;2,2,6,6-Tetramethyl-4-oxopiperidin-1-oxyl radical;2,2,6,6-Tetramethyl-4-oxopiperidine-1-oxyl;2,2,6,6-Tetramethyl-4-oxopiperidine-1-oxyl radical;2,2,6,6-Tetramethyl-4-oxopiperidinooxy;2,2,6,6-Tetramethyl-4-oxypiperidin-1-oxyl;2,2,6,6-Tetramethyl-4-piperidinoneoxide;2,2,6,6-Tetramethyl-4-piperidinone-1-oxyl;2,2,6,6-Tetramethyl-4-piperidon-1-oxyl;2,2,6,6-Tetramethyl-4-piperidone1-nitroxide;2,2,6,6-Tetramethyl-4-piperidone N-oxide;2,2,6,6-Tetramethyl-4-piperidone nitroxide;2,2,6,6-Tetramethyl-4-piperidone-N-oxy;2,2,6,6-Tetramethyl-4-piperidone-N-oxyl;2,2,6,6-Tetramethylpiperid-4-one-1-oxyl;2,2',6,6'-Tetramethyl-4-oxopiperidine-1-oxyl;4-Oxo-2,2,6,6-tetramethyl-1-piperidinoxyl;4-Oxo-2,2,6,6-tetramethylpiperidine-1-oxyl;4-Oxo-2,2,6,6-tetramethylpiperidine-N-oxyl;4-Oxo-2,2,6,6-tetramethylpiperidino-1-oxy;4-Oxo-2,2,6,6-tetramethylpiperidino-N-oxyl;4-Oxo-2,2,6,6-tetramethylpiperidinooxy;4-Oxo-2,2,6,6-tetramethylpiperidinooxyl;4-Oxo-2,2,6,6-tetramethylpiperidinoxyl;4-Oxo-2,2,6,6-tetramethylpiperidinyl-1-oxy;4-Oxo-2,2,6,6-tetramethylpiperidinyloxy;4-Oxo-TEMPO;Nitroxyl 1;OTEMPO;TAN;TAN (radical);TANO;Tanone;Tanone radical;Tempone;Tetramethyl-2,2,6,6-aza-1-cyclohexanone-4-oxide-1;Triacetoneamine N-oxyl;Triacetoneamine nitroxide;