The present invention relates to compounds of formula I
wherein R
1
to R
6
are as described herein, which compounds are active at the GABA
B
receptor and can be used for the preparation of medicaments useful in the treatment of CNS disorders comprising anxiety and depression.
本发明涉及公式I中的化合物,其中R1至R6如本文所述,这些化合物在
GABAB受体上具有活性,并可用于制备用于治疗包括焦虑和抑郁症在内的中枢神经系统疾病的药物。