| abstract |
A compound having the structure wherein R is, for example, Y is selected from the group consisting of 1) R5, 2) -C(R1R2)(C(R3R4))0-1Y1R5, and 3) -C(R1R2)-O-Y1R5; R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is; Y1 is selected from the group consisting of C(O)-O- and P(O)(OR6)-O-; and R6 is hydrogen or CH3, or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension. |