Synonyms: 1-Pyrrolidinyloxy,3-(2-iodoacetamido)-2,2,5,5-tetramethyl- (8CI); 1-Pyrrolidinyloxy, 3-[(iodoacetyl)amino]-2,2,5,5-tetramethyl-(9CI); 3-(2-Iodoacetamido)-2,2,5,5-tetramethyl-1-pyrrolidinyloxyl;3-(2'-Iodoacetamido)-2,2,5,5-tetramethyl-1-pyrrolidinyl-1-oxyl