| abstract |
Disclosed is a modulator compound of a cystic fibrosis membrane conductance regulator and a pharmaceutical composition containing the compound for treating or alleviating a disease such as cystic fibrosis. A pharmaceutical composition comprising a compound represented by the formula (I) or a salt thereof, and further containing an additional drug such as the compound or a salt thereof and a mucolytic agent. [R is COOH or CH2OH] [Selection] None |