| abstract |
Compounds of Formula I are provided: n n n wherein: n R is lower alkyl or branched lower alkyl; and n Ar is phenyl, phenyl substituted with one or more of halogen, lower alkyl, lower alkoxy, lower alkylthio, lower alkylamino, cyano, or perfluoroalkoxy, or a heteroaromatic moiety; and pharmaceutically acceptable salts thereof. |