Compounds of Formula (I):,pharmaceutically acceptable salts thereof, deuterated derivatives of any of the foregoing, and metabolites of any of the foregoing are disclosed. Pharmaceutical compositions comprising the same, methods of treating cystic fibrosis using the same, and methods for making the same are also disclosed.本文揭示一種式(I)化合物:,其醫藥學上可接受之鹽,前述任一者之氘化衍生物,及前述任一者之代謝物。亦揭示包含以上各者之醫藥組合物、使用以上各者治療囊性纖維化之方法及製造以上各者之方法。