PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7911611-10 1994 Therefore we proposed 5 types of potential DPP IV inhibitors: azapeptides, azetidines, Michael substrates, reduced peptides and phosphonic acids. Phosphorous Acids 128-144 dipeptidyl peptidase 4 Homo sapiens 43-49