PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16791325-2 2006 Regioselective manipulation of the C-2 and C-5 substituents is possible, providing access to differently substituted pyrrolidines for a limited number of cases. Pyrrolidines 117-129 complement C5 Homo sapiens 43-46