title: [Mass spectrophotometric degradation of theophyllidine, caffeidine and the methylxanthines caffeine, theophylline and theobromine].
mesh_terms: D002110:Caffeine / Q000031:analogs & derivatives / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D013058:Mass Spectrometry; D013805:Theobromine / Q000032:analysis*; D013806:Theophylline / Q000031:analogs & derivatives / Q000032:analysis*
chemical_list: D002110:Caffeine; D013806:Theophylline; D013805:Theobromine
vernacular_title: Zum massenspektrometrischen Abbau von Theophyllidin und Coffeidin sowie der Methylxanthine Coffein, Theophyllin und Theobromin.