A novel benzopyran derivative represented by general formula (I) and a pharmaceutically acceptable salt thereof, wherein each symbol is as defined in the specification. This compound is useful for treating hypertension, because it has a persistent hypotensive activity and a peripheral blood relaxing activity by activating a potassium channel, and also for treating cardiovascular diseases such as angina pectoris and heart failure, because it has a selective coronary blood stream increasing activity.
一种由通式(I)代表的新型苯并
吡喃衍
生物及其药学上可接受的盐,其中各符号如说明书中所定义。这种化合物可用于治疗高血压,因为它通过激活
钾通道而具有持续降压活性和外周血松弛活性;还可用于治疗心血管疾病,如心绞痛和心力衰竭,因为它具有选择性冠状动脉血流增加活性。