2-Butyn-1-aminium, 4-((((3-chlorophenyl)amino)carbonyl)oxy)-N,N,N-trimethyl-, chloride
A 343, McNeil
McN A 343
McNeil A 343
A drug that selectively activates certain subclasses of muscarinic receptors and also activates postganglionic nicotinic receptors. It is commonly used experimentally to distinguish muscarinic receptor subtypes.