title: Phosphodiesterase inhibition by papaverine and structurally related compounds.
mesh_terms: D000818:Animals; D002417:Cattle; D000242:Cyclic AMP; D006152:Cyclic GMP; D066298:In Vitro Techniques; D009206:Myocardium / Q000201:enzymology; D010208:Papaverine / Q000494:pharmacology*; D010726:Phosphodiesterase Inhibitors; D013329:Structure-Activity Relationship
chemical_list: D010726:Phosphodiesterase Inhibitors; D010208:Papaverine; D000242:Cyclic AMP; D006152:Cyclic GMP