PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6827521-2 1983 Hemicholinium-3 bromo mustard (HC3-BrM, 5) and hemicholinium-15 bromo mustard (HC15-BrM, 11) cyclize in aqueous solution to a biethylenimine derivative (6) and a monoethylenimine derivative (12) that are structurally almost identical with HC-3 (1) and HC-15 (8), respectively. hemicholinium-3 bromo 0-21 CYCS pseudogene 24 Homo sapiens 31-34