| abstract |
R is an angiotensin receptor antagonist active group, Y is selected from the group, and R 1 is —O—C 1-6 alkyl, —O-aryl, —O-heteroaryl, —O—C 3-8 cycloalkyl. ,-C1-6 alkyl, - aryl, - heteroaryl, and -C3-8 selected from the group consisting of cycloalkyl; R 2 and R 3 are independently selected from the group consisting of hydrogen and C1-4 alkyl Or a pharmaceutically acceptable salt or hydrate thereof, which is useful for the treatment of hypertension. |