Synonyms: Piperidinooxy,4-hydroxy-2,2,6,6-tetramethyl-, benzoate (7CI); Piperidinooxy,4-hydroxy-2,2,6,6-tetramethyl-, benzoate (ester) (8CI);1-Oxyl-2,2,6,6-tetramethylpiperidin-4-yl benzoate;1-Oxyl-4-benzoyloxy-2,2,6,6-tetramethylpiperidine;2,2,6,6-Tetramethyl-4-(benzoyloxy)piperidine-1-oxyl;2,2,6,6-Tetramethyl-4-benzoatepiperidine-1-oxy; 2,2,6,6-Tetramethyl-4-benzoyloxypiperidineN-oxide; 2,2,6,6-Tetramethyl-4-benzoyloxypiperidine-1-oxy radical;2,2,6,6-Tetramethyl-4-hydroxypiperidin-1-oxyl benzoate;2,2,6,6-Tetramethyl-4-hydroxypiperidine-1-oxyl benzoate;2,2,6,6-Tetramethylpiperidin-1-oxyl-4-yl benzoate; 4-(Benzoyloxy)-2,2,6,6-tetramethyl-1-piperidinyloxy;4-(Benzoyloxy)-2,2,6,6-tetramethylpiperidin-1-yloxyl;4-(Benzoyloxy)-2,2,6,6-tetramethylpiperidine-1-oxyl;4-(Benzoyloxy)-2,2,6,6-tetramethylpiperidine-N-oxyl;4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl benzoate;4-Hydroxy-2,2,6,6-tetramethylpiperidinyl-1-oxyl benzoate; Tempol benzoate