A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is -Y1-Y2-Y3-Y4-Y5-; Y1 is C(R1R2); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the group consisting of hydrogen, C1-4 alkyl, and —OC(O)C1-4 alkyl; Y2 is O or CH2; Y3 is C(O) or CH2; Y4 is O or CH2; Y5 is —(CH2)1-2—(X)0-1—(CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.