Compounds of the formula (I): ##STR1## and bioprecursors and pharmaceutically acceptable salts thereof are described as .beta..sub.3 -adrenoceptor agonists having anti-obesity, hypoglycaemic and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
该公式(I)的化合物:##STR1## 以及其
生物前体和药用可接受的盐被描述为具有抗肥胖、降血糖和相关治疗效果的β3-
肾上腺素受体激动剂。描述了它们的制备过程以及含有它们的组合物。