PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 490537-1 1979 One-step treatment of daunomycinone with excess 2-aminoethanethiol and 2-aminoethanol in trifluoroacetic acid afforded at C-7 the thioether (77% yield) and ether (30% after recycling), respectively. Sulfides 130-139 complement C7 Homo sapiens 122-125