1H-Imidazol-1-yloxy, 2-(1,1-dimethylethyl)-4,5-dihydro-4,4,5,5-tetramethyl- 2-(1,1-Dimethylethyl)-4,5-dihydro-4,4,5,5-tetramethyl-1H-imidazol-1-yloxy 2-Tbtioo 2-tert-Butyl-4,4,5,5-tetramethylimidazoline-3-oxide 1-oxyl 38582-80-8 41797-72-2