PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9587962-2	1998	METHODS: Oxidized leptin derivatives were prepared in the presence of H2O2 and t-butylhydroperoxide, separated by RP-HPLC, and characterized by peptide mapping and LC/MS.	tert-Butylhydroperoxide	79-99	leptin	Homo sapiens	18-24