title: Histamine H2 receptor blocking activity of 2-substituted pyrazinopyridoindoles.
mesh_terms: D000818:Animals; D016275:Atrial Function; D005260:Female; D006168:Guinea Pigs; D006321:Heart / Q000502:physiology*; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D007211:Indoles / Q000494:pharmacology*; D008297:Male; D008785:Metiamide / Q000494:pharmacology; D011719:Pyrazines / Q000494:pharmacology*; D011968:Receptors, Histamine / Q000378:metabolism*; D011970:Receptors, Histamine H2 / Q000378:metabolism*; D013329:Structure-Activity Relationship
chemical_list: D007211:Indoles; D011719:Pyrazines; D011968:Receptors, Histamine; D011970:Receptors, Histamine H2; D008785:Metiamide