2,2,6,6-Tetramethyl-4-piperidone
(2,5-dihydro-2,2,5,5-tetramethyl-1-oxyl-1H-pyrrol-3-yl)methanol
(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl methanesulfonate
methyl 1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-carboxylate radical
3-carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-yloxy