abstract |
There is provided pharmaceutical compounds of formula (I), wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , Y 1 , Y 2 , Y 3 and Y 4 have meanings given in the description, which compounds are useful in the treatment of autoimmune and/or fibrotic diseases, including interstitial lung diseases, such as idiopathic pulmonary fibrosis and sarcoidosis. |