sentences:  PK-11195
  
  PK-11195 is an isoquinoline carboxamide which binds selectively to the peripheral benzodiazepine receptor (PBR) (also known as the mitochondrial 18 kDa translocator protein or TSPO).It is one of the most commonly used PBR ligands due to its high affinity for the PBR in all species, although it is starting to be replaced by newer and more selective ligands.