1-Piperidinyloxy, 4-((5-fluoro-2,4-dinitrophenyl)amino)-2,2,6,6-tetramethyl- 2,5-Dfpatpo 65870-57-7 N-(2,5-Dinitro-4-fluorophenyl)-4-amino-2,2,6,6-tetramethylpiperidinooxy