Treatment of substance abuse

摘要

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, prevention, and/or alleviation: or a pharmaceutically acceptable salt thereof, wherein each of n, R¹, R², R³, R⁴, R⁵, and R⁶ are as defined herein.