PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
20223662-2	2010	Structure-activity studies on 3-aminopyrrolidine incorporating heteroatomic carbocycle moieties led to piperidine compound 19, and piperazine compounds 42, 47 and 49 as highly potent hCCR2 antagonists.	Piperazine	131-141	C-C motif chemokine receptor 2	Homo sapiens	183-188