Retgliptin/Metformin

To evaluate the bioequivalence of the test preparation HRX0701 tablets and the reference preparations of repagliptin phosphate tablets and metformin hydrochloride tablets after a single oral administration of the test preparation HRX0701 tablets in healthy subjects in the fed state; To evaluate the effect of a high-fat diet on the pharmacokinetics of repagliptin and metformin after a single oral administration of HRX0701 tablets in healthy subjects.