title: [Structure-activity relationships of histamine analogues, XX: absolute configuration and histamine-like activity of the enantiomeric alpha-methylhistamines].
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008761:Methylhistamines / Q000138:chemical synthesis* / Q000494:pharmacology; D008968:Molecular Conformation; D009119:Muscle Contraction / Q000187:drug effects; D013237:Stereoisomerism; D013329:Structure-Activity Relationship
chemical_list: D008761:Methylhistamines
vernacular_title: Struktur-Wirkungs -Beziehungen bei Histaminanaloga, 20. Mitt. Absolute Konfiguration und histaminartige Wirkung der enantiomeren alpha-Methylhistamine.