abstract |
Gamma-amino-butyric acid derivatives of formula (I) that are GABA B receptor ligands, pharmaceutical compositions comprising such derivatives, and methods of using such derivatives and pharmaceutical compositions thereof for treating diseases are disclosed. R 5 is chosen from -COOH, -SOOH, and -P(O)(OH)R 8 wherein R 8 is chosen from hydrogen and C 1-4 alkyl. |