PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33996911-1 2021 Camostat, nafamostat, and bromhexine are inhibitors of the transmembrane serine protease TMPRSS2. nafamostat 10-20 transmembrane serine protease 2 Homo sapiens 89-96 33996911-3 2021 However, while camostat and nafamostat inhibit TMPRSS2 by forming a covalent adduct, the mode of action of bromhexine remains unclear. nafamostat 28-38 transmembrane serine protease 2 Homo sapiens 47-54