Patent ID: 7855208

Claim:
A 3,9-diaza-bicyclo[3.3.1]nonane derivative represented by Formula I a stereoisomer thereof or a mixture of its stereoisomers, or a pharmaceutically acceptable salt thereof, wherein R represents hydrogen or alkyl; A represents an aromatic monocyclic or bicyclic carbocyclic or heterocyclic group; and B represents an aromatic monocyclic or bicyclic carbocyclic or heterocyclic group, which carbocyclic or heterocyclic groups are optionally substituted one or more times with substituents selected from the group consisting of alkyl, cycloalkyl, cycloalkyl-alkyl, hydroxy, alkoxy, cyanoalkyl, halo, trihaloalkyl, trihaloalkoxy, cyano, amino, nitro, alkyl-carbonyl-amino, phenyl-carbonyl-amino, ureido, N-alkyl-ureido, amido, N-alkyl- amido, N,N-dialkyl-amido, sulfamoyl, sulfonamido, N-alkyl-sulfonamido or N,N-dialkyl-sulfonamido.