PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
28011426-5	2017	In the present study, we introduced an alkenyl linker group to pyridine-based HDAC inhibitors to improve their potencies and chemical properties.	pyridine	63-71	histone deacetylase 9	Homo sapiens	78-82