Novel substituted 2-phenyl-1H-benzimidazoles and 2-phenyl-1H-benzimidazole-4,7-diones and novel 5-chloro-6-(4-substituted-1-piperazinyl)-2,1,3-benzothiadiazole-4,7-diones; all of which are highly active as anti-asthmatic and anti-allergic agents.
新型取代的 2-苯基-1H-
苯并咪唑和 2-苯基-
1H-苯并咪唑-4,7-二酮以及新型 5-
氯-6-(4-取代的-1-
哌嗪基)-
2,1,3-苯并噻二唑-4,7-二酮;所有这些药物作为抗哮喘和抗过敏药物都具有很高的活性。