2,2,6,6-Tetramethyl-4-piperidinecarboxylic acid, octamethylene ester 4-Piperidinecarboxylic acid, 2,2,6,6-tetramethyl-, 1,8-octanediyl ester 67845-92-5 EINECS 267-341-7 Octane-1,8-diyl bis(2,2,6,6-tetramethylpiperidine-4-carboxylate)