| abstract |
Compounds of the formula (I):n and salts, esters and amides thereof, wherein R¹ is phenyl optionally substituted by one or more substituents chosen from halogen, C₁₋₄alkyl, C₁₋₆acyl, C₁₋₄alkoxy, nitro and trifluoromethyl; and A is an acyclic hydrocarbon group having from 2 to 4 linear carbon atoms, processes for their preparation, pharmaceutical compositions containing them, and their use in therapy in the treatment of thromboxane mediated diseases. |