| 摘要 |
In one aspect, the invention relates to compounds having the formula: (I) where R1, R2, R3, a, R4, R5, and R6 are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and process and intermediates for preparing such compounds. |
