PERIPHERAL OPIOID RECEPTOR ANTAGONISTS AND USES THEREOF
申请人:Avey Alfred A.
公开号:US20110190331A1
公开(公告)日:2011-08-04
The present invention provides a compound of formula I: wherein R
1
, R
2
, R
2′
and X′ are as defined and described herein, methods of manufacture thereof and compositions thereof, useful for example as peripheral mu opioid receptor antagonists in treatment of side effects of opioid administration.