Butyrolactone derivatives having the formula ##STR1## wherein R is a C.sub.4 -C.sub.10 alkyl group, which have an appetite-regulating effect, a process for their production, and compositions containing them, are disclosed.
本发明公开了具有以下式子的丁内
酯衍
生物:##
STR1## 其中R为C.sub.4-C.sub.10烷基,具有调节食欲的效果,其生产方法以及含有它们的组合物。