PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1425510-3	1992	PCB congeners with lower chlorination (LPCBs--mainly tri- and tetrachlorobiphenyls) had decreased in concentration, with six of the LPCB 7 peaks observed by packed column GC showing average reductions of 25-90%.	lactophenol cotton blue	39-44	pyruvate carboxylase	Homo sapiens	0-3