Quinuclidinyl BenzilateReceptors, MuscarinicQuinuclidinesBenzilatesReceptors, CholinergicMuscarinic AntagonistsPropylbenzilylcholine MustardCarbacholOxotremorineParasympathomimeticsN-MethylscopolamineParasympatholyticsMuscarinic AgonistsPirenzepineAtropineBinding, CompetitiveRadioligand AssayTritiumAcetylcholineGuinea PigsRats, Inbred StrainsBrainKineticsMyocardium