1,4-Dihydropyridine derivatives of the formula - (1):
wherein X, R' and R2 are as defined in the specification and pharmaceutically acceptable acid addition salts thereof, processes for preparing them, pharmaceutical composition containing them, and their use in the preparation of a medicament for the treatment of disorders of the circulatory system are provided.
式-(1)的 1,4-二氢
吡啶衍生物:
其中 X、R'和 R2 如说明书中所定义,本发明提供了它们及其药学上可接受的酸加成盐、它们的制备工艺、含有它们的药物组合物,以及它们在制备治疗循环系统疾病的药物中的用途。