| abstract |
The invention relates to compounds of Formula (I), wherein R 1 , R 2 and R 3 are as defined in the description and claims, or pharmaceutically acceptable salts thereof having α ν β 6 integrin antagonist activity. The invention also relates to pharmaceutical compositions including a compound of formula (I) or a pharmaceutically acceptable salt thereof, and to the use of a compound of formula (I) or a pharmaceutically acceptable salt thereof in therapy, including in the treatment of a disease or condition for which an α ν β 6 integrin antagonist is indicated, and in particular the treatment of idiopathic pulmonary fibrosis. |