The invention relates to a compound selected from those of formula (I): ##STR1## in which A, R.sub.1, R.sub.2 and R.sub.4 are as defined in the description, and medicinal products containing the same which is useful for treating a pathology related to dysfunctioning of glutamatergic neurotransmission.
本发明涉及一种选择自公式(I)的化合物:##STR1## 其中A,R.sub.1,R.sub.2和R.sub.4如所述定义,并且包含该化合物的药物制剂,对于治疗与谷
氨酸能神经递质功能障碍相关的病理学有用。