申请人:Pfizer Limited
公开号:EP0244115A2
公开(公告)日:1987-11-04
Compounds of the formula:
and their pharmaceutically acceptable salts, wherein R is R³SO₂NH-, R³CONH-, R¹R²NSO₂- or R¹R²NCO-; R¹ and R² are each independently H or C₁-C₄ alkyl; R³ is C₁-C₄ alkyl, C₃-C₇ cycloalkyl or NR¹R²; and Het is 2, 3 or 4-pyridyl optionally substituted by one or more substituents each independently selected from C₁-C₄ alkyl and NH₂; or 2-imidazolyl optionally substituted by one or more C₁-C₄ alkyl groups, are anti-arrhythmia agents useful for the treatment of cardiac conditions.
式中的化合物
及其药学上可接受的盐类,其中 R 是 R³SO₂NH-、R³CONH-、R¹R²NSO₂- 或 R¹R²NCO-;R¹和 R² 各自独立地为 H 或 C₁-C₄ 烷基;R³ 是 C₁-C₄ 烷基、C₃-C₇ 环烷基或 NR¹R²;和 Het 是 2、3 或 4-吡啶基,任选被一个或多个各自独立选自 C₁-C₄ 烷基和 NH₂ 的取代基取代;或 2-咪唑基,任选被一个或多个 C₁-C₄ 烷基取代。