4-cyano-N-(3-oxo-1-phenyl-3-piperidin-1-ylprop-1-en-2-yl)benzamide

4-(piperidin-1-ylmethyl)-1,4-benzoxazine-2,3-dione

4-chloro-1-piperidin-1-ylbutan-1-one

1-[(氯甲基)磺酰基]哌啶

(4-nitro-1H-imidazol-5-yl)-piperidin-1-ylmethanone