Compounds and methods for treating cancer, neurological disorders, ethanol withdrawal, anxiety, depression, and neuropathic pain

A compound having the formula:

• wherein:
• R1 is substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl;
• R2 is —C(O)R4, —S(O)n2R4, heteroatom-substituted alkyl, heteroatom-substituted or unsubstituted heteroalkyl, or heteroatom-substituted cycloalkyl, heteroatom-substituted or unsubstituted heterocycloalkyl;
• n2 is 1 or 2;
• n is 1 or 2;
• and
• R4 is heteroatom-substituted alkyl, heteroatom-substituted or unsubstituted heteroalkyl, heteroatom-substituted cycloalkyl, or heteroatom-substituted or unsubstituted heterocycloalkyl, wherein
• the term “heteroatom-substituted” means that one or more hydrogen atoms on the R2 and R4 chemical groups have been replaced with one or more of the following groups:
• halogen, —CF3, —CN, —OH, —NH2, —COOH, —CONH2, —NO2, —SH, —SO2Cl, —SO3H, —SO4H, —SO2NH2, —NHNH2, —ONH2, —NHC(O)NHNH2, —NHC(O)NH2, —NHSO2H, —NHC(O)H, —NHC(O)—OH, —NHOH, —OCF3, or —OCHF2;
• provided that the compound is not a compound of the formula: