PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1940629-4	1991	Improved methods are also described for the preparation of epimers of naturally occurring bile acids at C-3, C-7, and C-12.	Bile Acids and Salts	90-100	complement C3	Homo sapiens	104-107