Compounds of the formula
wherein A, B, R¹ and R² are defined below.
The above compounds inhibit brain acetylcholinesterase and are useful in the treatment of Alzheimer's disease.
(EN) Compounds of formula (I), wherein R1, R2, A and B are defined hereinbelow. The compounds of the present invention inhibit brain acetylcholinesterase and are useful in the treatment of Alzheimer's disease.(FR) Des composés de formule (I) où R1, R2, A et B ont la notation ci-après, inhibent l'acétylcholinestérase cérébrale et sont utiles dans le traitement de la maladie d'Alzheimer.