1-Piperidinyloxy, 4-isothiocyanato-2,2,6,6-tetramethyl- 36410-81-8 4-Isothiocyanato-2,2,6,6-tetramethyl-1-piperidinyloxy 4-Isothiocyanato-2,2,6,6-tetramethylpiperidinooxyl 4-Itc-tempo