Substituted pyrimidines for treatment of a cough selected from chronic pathological cough, sub-acute pathological cough, acute pathological cough, neuronal hypersensitivity underlying chronic cough, neuronal hypersensitivity underlying sub-acute cough and neuronal hypersensitivity underlying acute cough

摘要

Methods for treating cough, chronic cough and urges to cough associated with respiratory diseases with a P2X3 and/or a P2X2/3 receptor antagonist, the methods comprising administering to a subject in need thereof an effective amount of a compound of Formula (I):; or a pharmaceutically acceptable salt thereof, wherein R¹ and R² are as defined herein.