Patent ID: 7858649

Claim:
A compound of the general formula (I): any of its stereoisomers or any mixture of its stereoisomers, or a pharmaceutically acceptable salt thereof, wherein R 1 represents an oxadiazolyl; which oxadiazolyl is optionally substituted with one or more substituents independently selected from the group consisting of: halo, hydroxy, hydroxyalkyl, R a R b N—, R a R b N-alkyl, cyano, nitro, trifluoromethyl, trifluoromethoxy, alkoxy, cycloalkoxy, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, and alkynyl; wherein R a and R b independent of each other are hydrogen or alkyl; R 2 represents an aryl or heteroaryl group; which aryl or heteroaryl group is optionally substituted with one or more substituents independently selected from the group consisting of: halo, cyano, nitro, trifluoromethyl, trifluoromethoxy, alkoxy, R e —(C═O)—, R e —O—(C═O)— and alkyl; wherein R e and R f independent of each other are hydrogen or alkyl.