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. Coumaric Acids 129-142 Bardet-Biedl syndrome 9 Homo sapiens 204-207