Preparative resolution of racemic pirlindole: Chromatrographic methods and determination of the absolute configuration: P. de Tullio∗, A. Ceccato$, J.-F. Liégeois∗, B. Pirotte∗, A. Felikidis∗, M. Stachow∗, P. Hubert$, J. Crommen$, J. Géczy£, J. Delarge∗. ∗ Deparment of Medicinal Chemistry, University of Liège, 3 rue Fusch, B-4000 Liège, Belgium. $ Department of Drug Analysis, University of Liège, Avenue de l'Hôpital, B-4000 Liège-1, Belgium. £ Therabel Research, 110 rue Egide van Ophem, B-1180 Bruxelles, Belgium