The compounds of formula (I)
1
wherein R
1
has the significance as given in the description, are inhibitors of endothelin receptors and can therefore be used for the treatment of disorders which are associated with abnormal vascular tone and endothelial dysfunction.
式(I)1中的化合物其中R1的含义如描述所述,是内皮素受体的
抑制剂,因此可用于治疗与异常血管张力和内皮功能障碍有关的疾病。