[Synthesis and nuclear resonance spectroscopic study of some theobromine- and theophylline- derivatives].
D009682:Magnetic Resonance Spectroscopy; D013057:Spectrum Analysis; D013805:Theobromine; D013806:Theophylline
D013806:Theophylline; D013805:Theobromine
Synthese und kernresonanzspektroskopische Untersuchung einiger Theobromin- und Theophyllin-Derivate.