| abstract |
(57) [Summary] [Structure] General formula [Chemical formula 1] [In the formula, R 1 represents a carboxyl group or a C 1 -C 8 -alkoxycarbonyl group, R 2 represents a linear or branched C 1 -C 8 -alkyl, R 3 represents halogen, hydroxyl, Cyano, C 1 -C 6 -alkoxy, straight-chain or branched C 1 -C 8 -alkyl, trifluoromethyl, trifluoromethoxy, carboxamide, carboxyl, C 1 -C 8 -alkoxycarbonyl or nitro And R 4 represents a carboxyl group or tetrazolyl]. [Effect] It is useful as an active compound in drugs, particularly antihypertensive drugs and antiatherosclerotic drugs. |