3-(4-Methoxy-phenyl)-1-(toluene-4-sulfonyl)-piperidin-3-ol

3-(4-methoxyphenyl)-1-propylpiperidin-2-one

3-(4-methoxyphenyl)-5-[(4-methylphenyl)sulfonyl]-1-propyl-1,2,3,4-tetrahydropyridin-2-one

3-(4-methoxyphenyl)-5-[(4-methylphenyl)sulfonyl]-1-propylpiperidine-2,6-dione