Synonyms : 2-(Acetyloxy)-N, N, N-trimethyl-1-propanaminium Chloride, Acetyl-2-methylcholine Chloride, Acetyl-beta-methacholine Chloride, Acetyl-beta-methylcholine, Lindopharm Brand of Methacholine Chloride, Mecholine, Mecholyl, Methapharma Brand of Methacholine Chloride