The present invention provides a compound having the structure:






wherein
R1, R2, R3, R4, and R5 are each independently H, halogen, CF3 or C1-C4 alkyl;
R4 is H, OH, or halogen;
B is a substituted or unsubstituted heterobicycle, pyridazine, pyrazole, pyrazine, thiadiazole, or triazole,

wherein the heterobicycle is other than chloro substituted indole; and
the pyrazole, when substituted, is substituted with other than trifluoromethyl,

or a pharmaceutically acceptable salt thereof.