Synonyms:
2,2,5,5-tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl, free radical ; [(2,2,5,5-tetramethyl-4-phenyl-3-imidazoline-3-oxide)-1-yloxy]radical ; 2,2,5,5-tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl ; tpio ; 4-phenyl-2,2,5,5-tetramethyl-3-imidazolin-1-yloxy-3-oxide free radical ; 4-phenyl-2,2,5,5-tetramethyl-3-imidazolin-1-yloxy-3-oxide ; 4-phenyl-2,2,5,5-tetramethyl-3-imidazolin-1-yloxy-3-oxide free radical 98% ; [(2,2,5,5-tetramethyl-4-phenyl-3-imidazoline 3-oxide)-1-yloxy]radical ; [(4-phenyl-2,2,5,5-tetramethyl-3-imidazoline 3-oxide)-1-yloxy]radical