| abstract |
The present invention relates to compounds and their use in the treatment of cystic fibrosis, methods for their production, pharmaceutical compositions comprising the same, and methods of treating cystic fibrosis by administering a compound of the invention. Other embodiments of the invention include a pharmaceutical composition comprising a therapeutically effective amount of a compound of the present invention, or a pharmaceutically acceptable salt thereof, in combination with a pharmaceutically acceptable carrier. In one aspect, the invention provides for compounds of Formula (I) (I) wherein A 1 is selected from the group consisting of and R 1 , R 2A , R 2B , R 2C , R 2D , R 3 , R 4 , R 5A , R 5B , R 5C , R 5D , R 6A , R 6B , R 6C , R 6D , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , and R 14 are as defined herein. |