PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12161154-2 2002 The C-linked analogue of the O-glucuronide of 4-HPR (4-HPRCG) has been shown to be a more effective agent. retinamidobenzyl glucuronide 53-60 haptoglobin-related protein Homo sapiens 48-51