| 摘要 |
There is provided compounds of formula I, wherein ring R1a to R1c, R2a to R2e, and X have meanings given in the description, and pharmaceutically-acceptable salts thereof, which compounds are useful in the treatment of diseases in which inhibition of leukotriene C4 synthase is desired and/or required, and particularly in the treatment of a respiratory disorder and/or inflammation. |
