| 摘要 |
The invention relates to compounds of formula (I) or a salt thereofwherein X is CH or N; R1 is hydrogen or C1-6 alkyl; R2 and R3 groups are independently C1-6 alkyl, or trifluoromethyl, having pharmacological activity, processes for their preparation, compositions containing them and to their use in the treatment of CNS disorders such as anxiety. |
