PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 366840-5 1978 In the latter case, osmium was used as a hydrophobic solution (OsO4 in CCl4), or in the high vacuum during osmium sublimation. Osmium Tetroxide 63-67 C-C motif chemokine ligand 4 Homo sapiens 71-75