| abstract |
The present invention provides methods and compositions for use in the treatment, prevention, and/or alleviation of drug abuse and/or its symptoms. In particular, the invention demonstrates that compositions comprising compounds of formula (I) are useful in such treatment revention and/or alleviation: formula (I) or a pharmaceutically acceptable salt thereof, wherein each of n, R<1>, R<2>, R<3>, R<4>, R<5>, and R<6> are as defined is the description. |