| 2-(4-(beta-ethoxyphenethyl)-1-piperazinyl)methyl-propiophenon |
| 1-(2-phenyl-2-ethoxyethyl)-4-(2-benzyloxypropyl)piperazine |
| 3-(4-(2-ethoxy-2-phenylethyl)-1-piperazinyl)-2-methyl-1-phenyl-1-propano ne |
| 3-(4-(beta-ethoxyphenethyl)-1-piperazinyl)-2-methylpropiophenone |
