Isoquinoline derivatives of compounds of the general formula ##STR1## that exhibit cardiotonic and/or phosphodiesterase fraction III inhibiting properties and/or renal vasodilating are pharmacologically active in the treatment of cardiac conditions. Methods for synthesizing and using the compounds are described.
异喹啉衍
生物的化合物具有一般式##STR1##,表现出强心和/或
磷酸二酯酶III抑制特性和/或肾血管扩张作用,在治疗心脏疾病方面具有药理活性。描述了合成和使用这些化合物的方法。