Alpha-adrenoceptor antagonists having the formula: ##STR1## which are useful to produce .alpha.-adrenoceptor antagonism, pharmaceutical compositions including these antagonists, and methods of using these antagonists to produce .alpha.-adrenoceptor antagonism in mammals.
具有以下结构的α-
肾上腺素受体拮抗剂:##STR1##,这些拮抗剂可用于产生α-
肾上腺素受体拮抗作用,包括这些拮抗剂的药物组合物,以及使用这些拮抗剂在哺乳动物中产生α-
肾上腺素受体拮抗作用的方法。