Compounds of the formula: ##SPC1## Wherein R represents hydrogen, halogen or alkoxy of 1 to 4 carbon atoms, and R.sub.1 represents hydrogen, alkyl of 1 to 4 carbon atoms substituted by (i) carboxy, (ii) alkoxycarbonyl in which the alkoxy moiety contains 1 to 7 carbon atoms, or (iii) carbamoyl, or R.sub.1 represents phenylalkyl in which the alkyl moiety contains 1 to 4 carbon atoms and is substituted by (i) carboxy, (ii) alkoxycarbonyl in which the alkoxy moiety contains 1 to 4 carbon atoms, or (iii) carbamoyl, or R.sub.1 represents alkanoyl of 1 to 4 carbon atoms or benzoyl, are new compounds possessing chemotherapeutic properties and are particularly active as antibilharzial, anthelmintic and antimicrobial agents.
公式为:##
SPC1## 其中R代表氢、卤素或1至4个碳原子的烷氧基,R.sub.1代表氢、1至4个碳原子的烷基,该烷基被(i)羧基、(ii)烷氧羰基取代,其中烷氧基含有1至7个碳原子,或(iii)
氨基甲酰基取代,或R.sub.1代表苯基烷基,其中烷基含有1至4个碳原子,被(i)羧基、(ii)烷氧羰基取代,其中烷氧基含有1至4个碳原子,或(iii)
氨基甲酰基取代,或R.sub.1代表1至4个碳原子的烷酰基或苯甲酰基,是具有化疗特性的新化合物,特别是作为抗血吸虫、驱虫和抗微
生物剂具有很高的活性。