PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7134801-5 1982 These ions correspond to the M-31 ions in the mass spectrum of methoxime-trimethylsilyl ether derivative of prednisolone, unlabelled cortisol and 2H4-cortisol, respectively. Hydrocortisone 133-141 chromobox 1 Homo sapiens 29-33