| alpha-ethyl-alpha-1-naphthyl-1-piperidinebutyric aci hydrochloride |
| alpha-ethyl-alpha-1-naphthyl-1-piperidinebutyric acid hydrochloride |
| alpha-ethyl-alpha-2-piperidinoethyl-1-naphthylacetic acid hydrochloride |
| alpha-ethyl-alpha-1-naphthyl-1-piperidinebutyric acihydrochloride |
