The invention relates to compounds of general formula (I). ##STR1## in which X represents an atom of sulfur or oxygen, or a substituted or unsubstituted amino group; R represents a hydrogen atom or any one of groups A, B, C, D, E, F or G; R' represents a hydrogen atom, an alkyl group or any one of groups A, B, C, D, E or F, with R'=H when R=G; or R and R' form, with the nitrogen atom to which they are attached, an optionally substituted piperazine ring.
该发明涉及一般式(I)的化合物。##STR1## 其中X代表
硫或氧原子,或取代或未取代的
氨基;R代表氢原子或A、B、C、D、E、F或G中的任意一种基团;R'代表氢原子、烷基或A、B、C、D、E或F中的任意一种基团,在R'=H时R=G;或者R和R'与它们所连接的氮原子形成一个可选取代的
哌嗪环。