1-Piperidinyloxy, 4-((10-carboxydecyl)methylamino)-2,2,6,6-tetramethyl- 139116-77-1 4-(N-Carboxydecyl-N-carboxyamino)-2,2,6,6-tetramethylpiperidine-1-oxyl 4-(N-Carboxydecyl-N-methylamino)-tempo 4-Cdma-tempo