A compound of Formula I
and pharmaceutically acceptable salts and solvates thereof, wherein R
1
, R
2
, R
3
, R
a
, 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.
公式I的化合物及其药用盐和溶剂化合物,其中R1、R2、R3、Ra、A、B、D和E均如本文所定义。这些化合物调节CFTR的活性,在治疗炎症或阻塞性呼吸道疾病或黏膜
水合方面具有用处,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。