title: Stereochemical studies on medicinal agents. 9. Bicyclic bases. Synthesis and biological activities of epimeric quaternary derivatives of 2-oxa-5-azabicyclo [2.2.1]heptane.
mesh_terms: D000818:Animals; D001952:Bridged-Ring Compounds / Q000138:chemical synthesis* / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum; D009119:Muscle Contraction / Q000187:drug effects
chemical_list: D001952:Bridged-Ring Compounds