(4-(m-Chlorophenylcarbamoyloxy)-2-butynyl)trimethylammonium chloride 2-Butyn-1-aminium, 4-((((3-chlorophenyl)amino)carbonyl)oxy)-N,N,N-trimethyl-, chloride 55-45-8 A 343 Ammonium, (4-hydroxy-2-butynyl)trimethyl-, chloride, m-chlorocarbanilate Butyl-1-aminium, 4-((((3-chlorophenyl)amino)carbonyl)oxy)-N,N,N-trimethyl-, chloride Carbanilic acid, m-chloro-, ester with (4-hydroxy-2-butynyl)trimethylammonium chloride MCN A-343 MCN A-343 chloride MCN-A-343