title: Modulators of cyclic AMP systems.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors; D000818:Animals; D001923:Brain Chemistry / Q000187:drug effects; D000242:Cyclic AMP / Q000502:physiology*; D003864:Depression, Chemical; D006168:Guinea Pigs; D010974:Platelet Aggregation / Q000187:drug effects; D011725:Pyridines / Q000494:pharmacology; D051381:Rats
chemical_list: D011725:Pyridines; D000242:Cyclic AMP; D015105:3',5'-Cyclic-AMP Phosphodiesterases