title: [Study of dihydroisoquinolines possessing a xanthinic substituent].
mesh_terms: D007546:Isoquinolines / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared; D013329:Structure-Activity Relationship; D013806:Theophylline; D014970:Xanthines / Q000138:chemical synthesis*
chemical_list: D007546:Isoquinolines; D014970:Xanthines; D013806:Theophylline
vernacular_title: Etude de dihydroisoquinoléines possédant un substituant xanthinique