1 hydroxy 2 2 6 6 tetramethylpiperidine
- 4 hydroxy 2 2 6 6 tetramethylpiperidine 1 oxyl
- 4 hydroxy 1 2 hydroxyethyl 2 2 6 6 tetramethylpiperidine
- 4 hydroxy 2 2 6 6 tetramethylpiperidine 1 oxyl free radical
- 4-piperidinol 1-hydroxy-2 2 6 6-tetramethyl-
- 4-hydroxy-2 2 6 6-tetramethyl-1-piperidine ethanol
- 1-methyl-4-phenyl-1 2 3 6-tetrahydropyridine
- 2 2 6 6-tetramethylpiperidine-1-oxyl