Disclosed is a compound represented by the formula (I) or a salt thereof:
wherein R' represents an aliphatic hydrocarbon, aralkyl or aryl group which may be substituted; R2 represents hydrogen, an aliphatic hydrocarbon group having one or more substituents, an aryl group which may be substituted, an amino group which may be substituted, a formyl group, a nitro group or a halogeno group; A represents a divalent hydrocarbon chain of 2 to 4 carbon atoms which may be substituted; and m represents an integer of 0 to 2, which is useful for treatment and prevention of diseases induced by abnormalities in regulation of reactions in vivo mediated through endothelin or interleukin 1, and of immune diseases and inflammatory diseases.
                            本发明公开了一种由式 (I) 代表的化合物或其盐:
其中 R'代表可被取代的脂肪烃基、芳基或芳基;R2 代表氢、具有一个或多个取代基的脂肪烃基、可被取代的芳基、可被取代的
氨基、甲酰基、硝基或卤代基;A 代表可被取代的 2 至 4 个碳原子的二价烃链;以及 m 代表 0 至 2 的整数,可用于治疗和预防由内皮素或白细胞介素 1 介导的体内反应调节异常所诱发的疾病以及免疫性疾病和炎症性疾病。