methyl 2-(3,4-dimethoxyphenyl)-2-hydroxypropanoate

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

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