1-Hydroxy-2,2,6,6-tetramethylpiperidin-4-yl 3,3-bis((3aS,8aR)-3a,8a-dihydro-8H-indeno[1,2-d]oxazol-2-yl)butanoate free radical
4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl
4,5,6,7-Tetrachloro-2-hydroxyisoindoline-1,3-dione