... &Villhauer, E.B. (1999) NVP-DPP728 ( 1-[ [[ 2-[ (5-cyanopyridin-2-yl)amino]ethyl]amino]acetyl ]-2 -cyano-(S)-pyrrolidine), a slow-bindinginhibitor of dipeptidyl peptidase IV. Biochemistry 38, ... and arginine-vasopressin. Indeed, POP inhibitors have been shown toreverse scopolamine-induced amnesia in rats and toimprove cognition in old rats and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine ... alpha-aminoalkyl phos-phonate diphenyl esters. Biochem. Pharmacol. 60, 1497–1504.11. Hughes, T.E., Mone, M.D., Russell, M.E., Weldon, S.C. &Villhauer, E.B. (1999) NVP-DPP728 ( 1-[ [[ 2-[ (5-cyanopyridin-2-yl)amino]ethyl]amino]acetyl ]-2 -cyano-(S)-pyrrolidine),...