PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3361925-10 1988 Methacholine, which is more resistant to cholinesterase, was more potent than Ach in blood-perfused tail arteries. Methacholine Chloride 0-12 butyrylcholinesterase Rattus norvegicus 41-55 422937-8 1979 Female rats gave a consistent finding of decrease in plasma cholinesterase, shown to be related to activity against butyrylcholine but not acetyl-beta-methylcholine. Methacholine Chloride 139-164 butyrylcholinesterase Rattus norvegicus 60-74