Compounds of the formula
 wherein Y is O or NH and X is
 will inhibit the action of neutral endopeptidase. As a result, such compounds produce diuresis, natriuresis, and lower blood pressure as well as relieving pain when administered to a mammalian host.  
                            式中的化合物
 其中 Y 为 O 或 NH,X 为
 将抑制
中性内肽酶的作用。因此,当哺乳动物宿主服用此类化合物时,可产生利尿、利尿、降低血压以及缓解疼痛的作用。