Certain quinolizidine and octahydropyridopyrazine compounds, pharmaceutical compositions, and methods of their use, inter alia, as opioid receptor antagonists are disclosed.
CROSS REFERENCE TO RELATED APPLICATION
This application claims the benefit of U.S. Provisional Application Ser. No. 60/730,609 filed Oct. 27, 2005, the disclosure of which is incorporated herein by reference in its entirety.