Synonyms: 1-Piperidinyloxy,2,2,6,6-tetramethyl-4-(trimethylammonio)-, iodide (9CI); 4-(Trimethylammonium)-2,2,6,6-tetramethyl-1-piperidinyloxyliodide; 4-(Trimethylammonium)-2,2,6,6-tetramethylpiperidine-1-oxyl iodide;4-(Trimethylammonium)-2,2,6,6-tetramethylpiperidinyl-1-oxy iodide; CAT 1;Trimethyl(2,2,6,6-tetramethyl-1-oxylpiperidin-4-yl)ammonium iodide