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Bioorg Med Chem Lett
; 12(5): 791-4, 2002 Mar 11.
Article
in English
| MEDLINE
| ID: mdl-11859004
ABSTRACT
A novel series of 2-(R)-methyl-substituted piperazines (e.g., 2) is described. They are potent M(2) selective ligands that have >100-fold selectivity versus the M(1) receptor. In the rat microdialysis assay, compound 14 showed significantly enchanced levels of acetylcholine after oral administration.