The invention is directed to compounds having the formula:wherein: Ar, r, Y, Z, Q, A, X, and R5-7are as defined in the specification, and pharmaceutically acceptable salts thereof. These compounds have AT1receptor antagonist activity and neprilysin inhibition activity. The invention is also directed to pharmaceutical compositions comprising such compounds; methods of using such compounds; and process and intermediates for preparing such compounds.本發明係針對具有下式之化合物:其中:Ar,r,Y,Z,Q,A,X及R5-7均如本專利說明書中所定義,及其藥學上可接受之鹽。此等化合物具有AT1受體拮抗劑活性與臬普溶素(neprilysin)抑制活性。本發明亦針對包含此種化合物之醫藥組合物;使用此種化合物之方法;及製備此種化合物之方法與中間物。