Compounds of the formula: ##STR1## wherein A, R.sup.1, R.sup.2, R.sup.3 and m are defined as in the specification or a pharmaceutically acceptable acid addition salt or N-oxide thereof, are calcium and sodium channel antagonists useful for treating mammals having a variety of disease states, such as stroke, epilepsy, hypertension, angina, migraine, arrhythmia, thrombosis, embolism, and also for treatment of spinal injuries.
公式为:##STR1## 其中A、R.sup.1、R.sup.2、R.sup.3和m如规范中所定义,或其药学上可接受的酸盐或N-氧化物,是
钙通道和
钠通道拮抗剂,可用于治疗患有多种疾病状态的哺乳动物,如中风、癫痫、高血压、心绞痛、偏头痛、心律失常、血栓形成、栓塞,以及治疗脊髓损伤。