Hunan Ouya Biology Co. Ltd.

The main purpose of the study: To use oseltamivir phosphate granules (specification: 0.9 g (calculated as C16H28N2O4)) developed by Hunan Eurasia Pharmaceutical Co., Ltd. as the test preparation, and to compare the relative bioavailability in healthy humans with that of oseltamivir phosphate dry syrup (reference preparation, trade name: TAMIFLU®, specification: 3%, 30 mg/g) produced by Chugai Pharmaceutical Co., Ltd. in accordance with the relevant provisions of bioequivalence studies, and to investigate the human bioequivalence of the two preparations. Secondary study objective: To observe the safety of the test formulation of oseltamivir phosphate granules and the reference formulation of oseltamivir phosphate dry syrup (trade name: TAMIFLU®) in healthy study participants