Compounds of Formula I are provided:
1
wherein:
R is lower alkyl or branched lower alkyl; and
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.
提供了公式I的化合物:1其中:R是低碳基或支链低碳基;Ar是苯基,苯基上取代有一个或多个卤素,低碳基,低碳氧基,低碳
硫基,低碳基
氨基,
氰基或
全氟烷氧基,或者是杂环芳香基团;以及其药学上可接受的盐。