Novel aminotriazolone compounds, process of their preparation and pharmaceutical preparations in which the compounds are comprised

摘要

A compound of formula (I): wherein: R1 and R2 represent hydrogen or a group as defined in the description, R3 represents hydrogen or alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl or heterocycloalkyl, R4 represents a group of formula (II): wherein W and B are as defined in the description, R5 represents hydrogen or alkyl, A represents a group selected from -A2-, -A1-A2-, -A2-A1- and -A1-A2-A1-, V is as defined in the description.