Both 2,2,6,6-tetramethyl-4-piperidiny-acrylate (ATMP) and -methacrylate (MTMP) are acrylic ester monomers which form stable N-oxyl free radicals rather easily.

• 合成了4-丙烯酸-2,2,6,6-四甲基哌啶醇酯(ATMP)。