New naphthylpyridazine derivatives active on the central nervous system, process for the preparation of these derivatives and medicaments containing them

摘要

Derivatives of naphthylpyridazine of formula: <IMAGE> in which: - R1 represents a lower alkyl group; - R2 represents OH or NH2, and the salts of the said derivatives with acids. The invention also relates to a process for the preparation of these derivatives and to the medicaments containing them.