New derivatives of triazole, a process for their preparation and pharmaceutical compositions containing them

The invention concerns compounds of formula (I) in which R1, R4, X1, X2, X3, X4, Y1, Y2 and Y3 are as defined in claim 1. These compounds have partial or total agonist activity of CCK-A receptors and are useful for treating eating problems, obesity, tardive dyskinesia and disorders of the gastrointestinal sphere.