Abstract: The present invention relates compounds of general formula (I) and stereoisomers and pharmaceutically acceptable salts and prodrugs thereof; wherein R? and R1-R5 are as defined in the claims. The invention also relates to said compounds for use as a medicament and particularly in the treatment of drug addiction and CNS related diseases.
Abstract: The present invention relates compounds of general formula (I) and stereoisomers and pharmaceutically acceptable salts and prodrugs thereof; wherein R? and R1-R5 are as defined in the claims. The invention also relates to said compounds for use as a medicament and particularly in the treatment of drug addiction and CNS related diseases.