1. During pharmacological studies on the tranquillizing drug 1-(2-hydroxyethyl)-4,3-(2-chloro-10-phenothiazil)-propylpiperazine (perphenazine), a considerable adrenolytic activity of this substance has been demonstrated.

Au cours de recherches pharmacologiques, le tranquilisant 1-(2-hydroxyéthyle)-4,3-(2-chlore-10-phénothiazil)-propylpipérazine (perphénazine), a démontré considérables propriétées adrénolytiques.