A compound of Formula I
and pharmaceutically acceptable salts and solvates thereof, wherein R1, R2, R3, Ra, A, B, D and E are all as defined herein. The compounds modulate the activity of CFTR and are useful in the treatment of inflammatory or obstructive airways diseases or mucosal hydration, including, for example cystic fibrosis. Pharmaceutical compositions that contain the compounds and processes for preparing the compounds are also described.
化合物I的式子及其药用可接受的盐和溶剂化物,其中R1、R2、R3、Ra、A、B、D和E均如定义所述。这些化合物调节CFTR的活性,并可用于治疗炎症或阻塞性呼吸道疾病或黏膜
水合作用,例如囊性纤维化。还描述了含有这些化合物的制药组合物和制备这些化合物的过程。