PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
28843240-3	2017	The research proposed that organic nitrites, nitro oxide, cyanides, and isocyanides of cigarette smoke interfere with vitamin B12 metabolism, and convert it to inactive forms.	Nitrites	35-43	NADH:ubiquinone oxidoreductase subunit B3	Homo sapiens	126-129