PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11695449-7 2001 Reactions between ozone and adsorbed DHB were shown to be fast, leading to formation of C-6, C-4 and C-2 by-products. catechol 37-40 complement C6 Homo sapiens 88-91