A pyridine derivative of the formula
wherein
R¹ and R² are each specific groups, or pharmaceutically acceptable acid addition salt thereof is a novel compound which has an excellent pharmacological activity for increasing acetylcholine level in the brain without adverse side effects. Accordingly, those compounds are useful for the treatment of dementia of Alzheimer's type.
式中的
吡啶衍生物
式中
R¹和R²分别为特定基团的
吡啶衍生物或其药学上可接受的酸加成盐是一种新型化合物,在提高大脑中
乙酰胆碱水平方面具有极佳的药理活性,且无不良副作用。因此,这些化合物可用于治疗阿尔茨海默型痴呆症。