Pharmaceutical compositions containing a phosphonic acid ester of the formula:
wherein A is
and R is a lower alkyl, exhibit a calcium-antagonistic activity and are useful in prophylaxis and treatment of ischemic heart diseases such as angina pectoris, myocardial infarction, etc. and hypertension. A process for their preparation is also provided.
含有式中 A 为和 R 为低级烷基的
膦酸酯的药物组合物具有
钙拮抗活性,可用于预防和治疗缺血性心脏病,如心绞痛、心肌梗塞等和高血压。 还提供了一种制备方法。