Compounds of formula (I):
wherein:
R
1
represents a hydrogen atom or an alkyl group;
R
2
represents an alkyl group;
R
3
represents an aryl or heteroaryl group.
Medicinal products containing the same which are useful in the treatment or prevention of psychiatric and neurological disorders characterised by cognitive deficits.
式(I)的化合物:其中:R1代表
氢原子或烷基基团;R2代表烷基基团;R3代表芳基或杂环芳基。含有该化合物的药物产品对治疗或预防以认知缺陷为特征的精神疾病和神经系统疾病具有用处。