PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31147155-8 2019 A statistical increase in the retention time of protocatechuic acid and decrease in the peak width of tyrosol, caffeic acid, and coumaric acid were noted when the gradient column was oriented to have the C18 dense region located near the detector. caffeic acid 111-123 Bardet-Biedl syndrome 9 Homo sapiens 204-207