PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
23917809-6	2013	Subsequently, two more PDE 5 inhibitors (vardenafil and tadalafil) were developed and approved by the Food and Drug Administration (FDA) for the treatment of ED.	Tadalafil	56-65	phosphodiesterase 5A	Homo sapiens	23-28