PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30671881-3 2019 Oral agents as phosphodiesterase type V inhibitors, the soluble guanylyl cyclase stimulator riociguat, the prostacyclin receptor agonist selexipag and the endothelin receptor antagonists have each achieved evidence-based validation and are recommended for pulmonary arterial hypertension. selexipag 137-146 prostaglandin I2 receptor Homo sapiens 107-128