Disclosed is a proline derivative of the formula ##STR1## or a pharmaceutically acceptable salt thereof. These derivatives have useful utilities such as activity of inhibiting angiotensin converting enzyme.
本发明揭示了一种丙
氨酸衍
生物的公式##STR1##或其药学上可接受的盐。这些衍
生物具有有用的功效,如抑制
血管紧张素转化酶的活性。