A quaternary ammonium ion in which the nitrogen is substituted with three methyl groups and a 2-acetoxypropyl group. Parasympathomimetic bronchoconstrictor drug used in clinical diagnosis.
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This entity has been manually annotated by the ChEBI Team.
The biological role played by a material entity when bound by a receptor of the adaptive immune system. Specific site on an antigen to which an antibody binds.