PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18783275-4 2008 The scope of this highly active Pd/L2 system can be extended to other boron nucleophiles, including trifluoroborate salts and boronate esters. Boron 70-75 programmed cell death 1 ligand 2 Homo sapiens 32-37