title: [Studies on cardiovascular drugs. IV. Adrenergic  -receptor blocking activity of new catechol derivatives in the guinea pig tracheal strip].
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors; D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D002396:Catechols / Q000494:pharmacology*; D004837:Epinephrine / Q000037:antagonists & inhibitors; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000037:antagonists & inhibitors; D009132:Muscles / Q000187:drug effects; D013565:Sympatholytics / Q000494:pharmacology*; D014132:Trachea / Q000187:drug effects*
chemical_list: D000319:Adrenergic beta-Antagonists; D002396:Catechols; D013565:Sympatholytics; D007545:Isoproterenol; D000109:Acetylcholine; D004837:Epinephrine