PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2224886-3 1990 After sulphonylation at the terminal 8-position, the pyrrolidines were then cyclised further between the nitrogen and C-8 to give 1-deoxy-6-epicastanospermine and 1-deoxy-6,8a-diepicastanospermine. Pyrrolidines 53-65 homeobox C8 Homo sapiens 118-121