This invention provides new compounds of formula I, ##SPC1## wherein R.sub.1 is hydrogen, or alkyl, alkoxy or alkylthio of 1 to 4 carbon atoms, or trifluoromethyl, and R.sub.2 is hydrogen, or alkyl, hydroxyalkyl or acetoxyalkyl, the alkyl moiety having at most 4 carbon atoms, or alkoxyalkyl having at most 6 carbon atoms, Useful as antipsycholics and soporifics.
这项发明提供了符合以下式子I的新化合物,其中R1是氢,或1到4个碳原子的烷基,烷氧基或烷
硫基,或三
氟甲基,R2是氢,或最多含有4个碳原子的烷基,羟基烷基或乙酰氧基烷基,或最多含有6个碳原子的烷氧基烷基。这些化合物可用作
抗精神病药和催眠药。