PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 229216-7 1979 frequency but ambenonium, with a high specificity for acetylcholinesterase, was markedly less effective in this respect. Ambenonium Chloride 14-24 acetylcholinesterase (Cartwright blood group) Homo sapiens 54-74