| 3-(p-ethoxyphenyl)-1-((4-hydroxy-4-phenylpiperidino)acetyl)-ure |
| 1-piperidineacetamide, n-(((4-ethoxyphenyl)amino)carbonyl)-4-hydroxy-4-phenyl |
| 3-(p-ethoxyphenyl)-1-((4-hydroxy-4-phenylpiperidino)acetyl)urea |
| n-(((4-ethoxyphenyl)amino)carbonyl)-4-hydroxy-4-phenyl-1-piperidineaceta mide |
