title: [Inhibition of cyclic AMP phosphodiesterase activity by ecarazine hydrochloride, hydralazine and their metabolites (author's transl)].
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D000818:Animals; D006168:Guinea Pigs; D006830:Hydralazine / Q000494:pharmacology*; D006834:Hydrazines / Q000494:pharmacology*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D014032:Todralazine / Q000494:pharmacology*
chemical_list: D006834:Hydrazines; D006830:Hydralazine; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D014032:Todralazine