The invention relates to 3-aza-bicyclo[3.3.0]octane derivatives of the formula (I) wherein R
1
, R
2
, R
3
, and A are as described in the description and their use as orexin receptor antagonists.
本发明涉及3-aza-bicyclo [3.3.0]
辛烷衍
生物,其
化学式为(I),其中R1,R2,R3和A如说明书所述,并将其用作促进醒觉素受体
拮抗剂。