申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0168921A2
公开(公告)日:1986-01-22
Compounds of the formula (I):
and pharmaceutically acceptable salts are described, wherein R is hydrogen or C1-4 alkyl. These compounds are vasodilators and β-adrenoceptor antagonists. Pharmaceutical compositions are described as are methods of use. Intermediates and processes for the preparation of the compounds of the formula (I) are also described.
描述了式 (I): 的化合物和药学上可接受的盐,其中 R 是氢或 C1-4 烷基。 这些化合物是血管扩张剂和 β 肾上腺素受体拮抗剂。 描述了药物组合物和使用方法。 还描述了制备式 (I) 化合物的中间体和工艺。