Compounds of general formula (I) wherein R1, R2, R3, R4, R5 and X are as defined herein are inhibitors of the epithelial sodium channel (ENaC) and are useful for the treatment or prevention respiratory diseases and conditions, skin conditions and ocular conditions.
其中 R1、R2、R3、R4、R5 和 X 如本文所定义的通式(I)化合物是上皮
钠通道(ENaC)的
抑制剂,可用于治疗或预防呼吸系统疾病、皮肤病和眼部疾病。