title: [C-5(4) cyclic substituted histamines and N alpha-methylhistamines (author's transl)].
mesh_terms: D003500:Cyclization; D006632:Histamine / Q000031:analogs & derivatives*; D006868:Hydrolysis; D008722:Methods; D008761:Methylhistamines / Q000138:chemical synthesis*; D010084:Oxidation-Reduction
chemical_list: D008761:Methylhistamines; D006632:Histamine
vernacular_title: Struktur-Wirkungs-Beziehungen bei Histaminanaloga, 13. Mitt. 5(4)-Cyclisch substituierte Histamine und N alpha-Methyl-histamine