title: [Synthesis and H2-antihistaminic activity of 2-amidino-1,2-dihydro-3h-pyrazol-3-ones].
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D006168:Guinea Pigs; D006635:Histamine H2 Antagonists / Q000138:chemical synthesis*; D066298:In Vitro Techniques; D011720:Pyrazoles / Q000138:chemical synthesis* / Q000494:pharmacology
chemical_list: D006635:Histamine H2 Antagonists; D011720:Pyrazoles
vernacular_title: Synthese und H2-antihistaminische Wirksamkeit von 2-Amidino-1,2-dihydro-3H-pyrazol-3-onen.