哌啶

2-[(氯乙酰基)氨基]-4,5,6,7-四氢-1-苯并噻吩-3-羧酸乙酯

2-氨基-4,5,6,7-四氢苯并噻酚-3-羧酸乙酯

Piperidin-1-yl-acetyl chloride

氰基环己亚基乙酸乙酯