abstract |
Compounds of formula I and salts thereof, wherein R 1 , R 2 , R 3 , R 4 , X, Y and n have the meanings given in the specification, are inhibitors of Trk kinase and are used for the treatment of diseases for which Trk kinase can be used Inhibitor therapy, such as pain, cancer, inflammation, neurodegenerative diseases and specific infectious diseases. |