title: [H2-Antihistaminics, 11: Cyclic guanidines with H2-antihistaminic activity].
mesh_terms: D000818:Animals; D006146:Guanidines / Q000138:chemical synthesis* / Q000494:pharmacology; D006168:Guinea Pigs; D006635:Histamine H2 Antagonists / Q000138:chemical synthesis*; D066298:In Vitro Techniques
chemical_list: D006146:Guanidines; D006635:Histamine H2 Antagonists
vernacular_title: H2-Antihistaminika, 11. Mitt. Zyklische Guanidine mit H2-antihistaminischer Wirkung.