abstract |
Novel compounds of the formula (I) are provided wherein (see formula (I)) R1, R4, R5, G1, G2, X, L, Y1, Y2 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 that contain them and their use in therapy. The compounds are neutrophil elastase inhibitors. |