alpha-(3-methyl-2-butenyl)-alpha-(1-naphthyl)-1-piperidinebutyramid |
alpha-(3-methyl-2-butenyl)-alpha-(2-piperidinoethyl)-1-naphthaleneacetamid |
2-(3-methyl-2-butenyl)-2-(1-naphthyl)-2-(2-piperidinoethyl)-acetamid |
alpha-(2-piperidinoethyl)-alpha-phenyl-1-naphthylacetamide |