title: Inhibitors of cyclic AMP phosphodiesterase in Picrasma quassioides Bennet, and inhibitory activities of related beta-carboline alkaloids.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D002243:Carbolines / Q000494:pharmacology; D002417:Cattle; D010936:Plant Extracts / Q000494:pharmacology*; D013329:Structure-Activity Relationship; D014197:Trees
chemical_list: D000470:Alkaloids; D002243:Carbolines; D010936:Plant Extracts; D015105:3',5'-Cyclic-AMP Phosphodiesterases