Patent ID: 7247643

Claim:
A chemical compound which is an 8-aza-bicyclo[3.2.1]octane derivative of the Formula I: or any of its stereoisomers or any mixture of its stereoisomers, or a pharmaceutically acceptable salt thereof, wherein R represents hydrogen or alkyl; R 2 represents —CH 2 —X—R a ; wherein X represents —O— or —S—; R a represents phenyl or naphthyl, which phenyl or naphthyl is optionally substituted with one or more substituents selected from the group consisting of: halo, hydroxy, amino, cyano, nitro, trifluoromethyl, trifluoromethoxy, alkoxy, cycloalkoxy, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, and alkynyl; R 3 represents heteroaryl; which heteroaryl is optionally substituted with one or more substituents selected from the group consisting of: halo, hydroxy, amino, cyano, nitro, trifluoromethyl, trifluoromethoxy, alkoxy, cycloalkoxy, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, and alkynyl.