1-Piperidinyloxy, 4-((bromoacetyl)amino)-2,2,6,6-tetramethyl- 125342-81-6 24567-97-3 4-(2-Bromoacetamido)-2,2,6,6-tetramethylpiperidino-1-oxyl BSL-6 N-(2,2,6,6-Tetramethylpiperidinyl-1-oxy)bromoacetamide Tempo 4-bromoacetamide