Henagliflozein/Retagliptin/Metformin

The main purpose of the study is to evaluate the bioequivalence of the test preparation HR20031 tablets and the reference preparations of proline henggliflozin tablets, retagliptin phosphate, and metformin hydrochloride sustained-release tablets after a single oral administration in healthy subjects in the post-high-fat meal state; The secondary purpose of the study is to evaluate the safety of the test preparation HR20031 tablets and the reference preparations of proline henggliflozin tablets, retagliptin phosphate, and metformin hydrochloride sustained-release tablets after a single oral administration in healthy subjects in the post-high-fat meal state.