PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3016500-9 1986 The selectivity index reaches values as high as 260,000 for desGly(NH2)9 [1-(beta-mercapto-beta, beta-cyclopentamethylenepropionic acid), 2-D-O-ethyl-tyrosine, 4-valine] arginine vasopressin. 2-d-o-ethyl-tyrosine 138-158 arginine vasopressin Rattus norvegicus 179-190