KR-62436, 6-{2-[2-(5-cyano-4,5-dihydropyrazol-1-yl)-2-oxoethylamino]ethylamino}nicotinonitrile, is a novel dipeptidyl peptidase-IV (DPP-IV) inhibitor with anti-hyperglycemic activity.
Kim KR, Rhee SD, Kim HY, Jung WH, Yang SD, Kim SS, Ahn JH, Cheon HG. Eur J Pharmacol. 2005 Jul 25; 518(1):63-70.