Compounds of structure (I)
where Y is OH, X₁ is C₁-₄alkoxy, X₂ is C₁-₄alkoxy, halogen, CF₃ or C₁-₄alkyl, processes for their preparation, compositions containing them and their use as β-adrenergic receptor antagonists.
结构(I)的化合物
其中 Y 是 OH,X₁ 是 C₁-₄烷氧基,X₂ 是 C₁-₄烷氧基、卤素、CF₃ 或 C₁-₄烷基,它们的制备方法、含有它们的组合物以及它们作为 β-
肾上腺素能受体拮抗剂的用途。