| abstract |
There are provided novel compounds of formula (I) wherein R 1?, R 4?. R 5?, G 1?, G 2?, X, L, Y 1?, Y 2? and n are as defined in the Specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acceptable salts thereof; together with processes for their preparation, compositions containing them and their use in therapy. The compounds are inhibitors or neutrophil elastase. |