外消旋(2,3-二甲氧基苯基)-

4-[1-oxo-1-(2,3-dimethoxyphenyl)methyl]-N-2-(4-fluorophen-1-oxo-ethyl)piperidine

4-[1-hydroxy-1-(2,3-dimethoxyphenyl)methyl]-N-2-(4-fluorophen-1-oxo-ethyl)piperidine

1-[2-(4-fluorophenyl)-ethyl]-piperidine-4-carboxylic acid ethyl ester

1-[2-(4-fluorophenyl)ethyl]-4-piperidinecarboxylic acid N-methoxy N-methyl amide