1-(2-oxo-2-piperidin-1-ylethyl)pyrrolidin-2-one

3,5-dichloro-2-fluoro-4-phenylmethoxy-6-piperidin-1-ylpyridine

4-phenyl-6-(piperidin-1-ylmethyl)pyrimidin-5-ol

3-hydroxy-2-(piperidin-1-ylmethyl)thiochromen-4-one

4,6-dimethyl-1-oxido-2-(piperidin-1-ylmethyl)pyrimidin-1-ium-5-ol