PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34120709-2 2021 Although the reference barbiturate thiopental had several limitations, it dominated the scene of the intravenous anesthesia until the mid-1980s, when propofol was introduced on the market. barbituric acid 23-34 3-hydroxyanthranilate 3,4-dioxygenase Homo sapiens 46-49