has role has functional parent independent continuant beta-amino acid hypoglycemic agent cardiovascular drug antineoplastic agent xenobiotic anticholesteremic drug organooxygen compound sitagliptin CHEBI:40237 A triazolopyrazine that exhibits hypoglycemic activity. triazolopyrazine serine proteinase inhibitor antipsoriatic anti-HIV agent EC 3.4.14.5 (dipeptidyl-peptidase IV) inhibitor anti-obesity agent environmental contaminant trifluorobenzene