title: Benz-fused mesoionic xanthine analogues as inhibitors of cyclic-AMP phosphodiesterase.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D000818:Animals; D002417:Cattle; D066298:In Vitro Techniques; D011744:Pyrimidinones / Q000138:chemical synthesis / Q000494:pharmacology*; D013329:Structure-Activity Relationship; D013844:Thiazoles / Q000138:chemical synthesis / Q000494:pharmacology
chemical_list: D011744:Pyrimidinones; D013844:Thiazoles; D015105:3',5'-Cyclic-AMP Phosphodiesterases