PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
3192678-2	1988	SOD activity was measured by pyrogallol assay in ethanol-chloroform extracts of the thyroid homogenates.	Chloroform	57-67	superoxide dismutase 1	Homo sapiens	0-3	
10076065-2	1999	SOD-1 samples were prepared from erythrocytes by removing hemoglobin using hemoglobind gel followed by ethanol and chloroform extraction.	Chloroform	115-125	superoxide dismutase 1	Homo sapiens	0-5	
25961364-3	2015	An optimal concentration of phosphate buffer for ethanol-chloroform treatment results in good recovery of CAT, SOD, and CA after extraction.	Chloroform	57-67	superoxide dismutase 1	Homo sapiens	111-114