PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
31784554-8	2019	This work also demonstrates the advantage of using polymers containing ester groups as the PCB substrate in consideration of eco-friendly and efficient recycling.	Esters	71-76	pyruvate carboxylase	Homo sapiens	91-94	
23530975-7	2013	Photoinitiated ester degradation precipitated the rapid release of 72+-5% of complexed DNA from PCB-NBE polyplexes.	Esters	15-20	pyruvate carboxylase	Homo sapiens	96-99