title: Aromatic and benzylic hydroxyl substitution of imidazolines and phenethylamines: differences in activity at alpha-1 and alpha-2 adrenergic receptors.
mesh_terms: D000316:Adrenergic alpha-Agonists; D000818:Animals; D001013:Aorta, Thoracic / Q000187:drug effects; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D007093:Imidazoles / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010627:Phenethylamines / Q000494:pharmacology*; D011942:Receptors, Adrenergic, alpha / Q000145:classification; D013329:Structure-Activity Relationship; D014661:Vasoconstriction / Q000187:drug effects
chemical_list: D000316:Adrenergic alpha-Agonists; D007093:Imidazoles; D010627:Phenethylamines; D011942:Receptors, Adrenergic, alpha