| abstract |
The invention provides compounds of formula (I) useful for the treatment of opioid dependence, alcohol dependence, alcohol use disorder, or the prevention of relapse to opioid dependence. Related pharmaceutical compositions and methods are also provided. Formula (I), wherein Formula (II) is Formula (III) or Formula (IV); both R groups, always being the same, are selected from hydrogen, halogen or unsubstituted C1-C4 alkyl; both values of z, always being the same, are 1, 2, 3 or 4. |