PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1654782-1 1991 Hydroquinone, a metabolite of benzene, is converted by human myeloperoxidase to 1,4-benzoquinone, a highly toxic species. quinone 80-96 myeloperoxidase Homo sapiens 61-76