1-Piperidinebutyric acid, alpha-sec-butyl-alpha-1-naphthyl-, hydrochloride 6548-05-6 alpha-sec-Butyl-alpha-1-naphthyl-1-piperidinebutyric acid hydrochloride alpha-sec-Butyl-alpha-2-piperidinoethyl-1-naphthylacetic acid hydrochloride