2,2,6,6-Tetramethyl-4-piperidinone 4-methylbenzenesulfonate 2,2,6,6-Tetramethyl-4-piperidone p-toluenesulfonate 29334-13-2 4-Piperidinone, 2,2,6,6,-tetramethyl-, 4-methylbenzenesulfonate 4-Piperidone, 2,2,6,6-tetramethyl-, p-toluenesulfonate (8CI) 826-36-8 Tempidon Tempidone Tempidorm