PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6800774-2 1982 However, using one of a recent generation of potent lH-RH inhibitory analogs as a model, we have found that the insertion of D-lysine or, better still, D-arginine in this position results in greater antiovulatory activity in the rat over corresponding D-phenylalanine6- and D-tryptophan6-analogs. D-Lysine 125-133 gonadotropin releasing hormone 1 Rattus norvegicus 52-57