PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24625033-6 2014 By comparing the oxysterol profile formed from 7-DHC and those formed from 8-DHC and 5,8(14)-dienol, products formed from abstraction of the hydrogen atoms at C-9 and C-14 (H-9 or H-14 mechanism) were clearly differentiated. Oxysterols 17-26 complement C9 Homo sapiens 159-162