BethanecholBethanechol CompoundsDiltiazemParasympathomimeticsMuscarinic AgonistsTropicamideAgeusiaCalcium Channel BlockersParasympatholyticsPentagastrinAtropineGastric AcidReceptors, MuscarinicMuscarinic AntagonistsVerapamilPirenzepineMetiamideCholinergic AgentsReceptor, Muscarinic M3AmylasesMuscle ContractionBenzazepinesNicorandilDose-Response Relationship, Drug