Synonyms: Piperidinooxy,4-hydroxy-2,2,6,6-tetramethyl-, dihydrogen phosphate (ester) (8CI);2,2,6,6-Tetramethyl-4-hydroxypiperidin-1-oxyl monophosphate;2,2,6,6-Tetramethyl-4-piperidinol-1-oxyl phosphate ester;4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl 4-dihydrogen phosphate;4-Phospho-2,2,6,6-tetramethylpiperidinyl-1-oxy;4-Phospho-2,2,6,6-tetramethylpiperidinyl-1-oxyl;4-Phosphonooxy-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-Phosphonooxy-TEMPO;Tempophosphate