| 摘要 |
There are provided novel compounds of formula (I), wherein R1, R2, R4, G1, G2, L, Y 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 of neutrophil elastase. |
