The compound of the formula: ##STR1## in which the dotted lines represent two sites of unsaturation appropriately located based on the identity of R.sup.2, R.sup.3 and R.sup.4 and, R.sup.1 is alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, alkylthio, perfluoroalkylthio, alkylsulfinyl, alkylamino, halo, alkanoyl, 1-hydroxyalkyl or (1-hydroxyimino) alkyl; R.sup.2 is hydrogen or alkyl; R.sup.3 is hydrogen or alkyl; R.sup.4 is hydrogen or alkyl; n is 0 or 1; or a pharmaceutically acceptable salt thereof, are antihyperglycemic agents.
该化合物的结构式为:##STR1## 其中点线代表基于R.sup.2、R.sup.3和R.sup.4的身份适当位置的两个不饱和位点,R.sup.1为烷基、
全氟烷基、烷氧基、
全氟烷氧基、烷基
硫基、
全氟烷基
硫基、烷基砜基、烷基
氨基、卤素、烷酰基、1-羟基烷基或(1-羟基
亚胺)烷基;R.sup.2为氢或烷基;R.sup.3为氢或烷基;R.sup.4为氢或烷基;n为0或1;或其药用可接受的盐,具有抗高血糖作用。