The compounds: ##STR1## in which R is hydrogen, lower alkyl, phenyl or benzyl, and R.sup.2 is hydrogen or lower alkyl, or a pharmaceutically acceptable salt thereof, are useful hypoglycemic and hypoinsulinemic agents for the treatment of diabetes mellitus and cardiovascular disease states involved in elevated insulin levels such as atherosclerosis.
化合物:##STR1## 其中R为氢,低碳基,苯基或苄基,R.sup.2为氢或低碳基,或其药学上可接受的盐,可用于治疗糖尿病和心血管疾病状态,这些状态涉及高
胰岛素水平,例如动脉粥样硬化。