Chongqing Wanlin Biomedical Technology Co., Ltd.

Main purpose: Use Procaterol Hydrochloride Dry Syrup (trade name: Meptin, Specification: 0.005% (g/g)) from Otsuka Seiki Co., Ltd. as the reference preparation, and Chongqing Wanlin Biomedical Technology Co., Ltd. The developed procaterol hydrochloride dry syrup (specification: 10g: 0.5mg) was the test preparation to evaluate the bioequivalence of the two preparations in Chinese healthy subjects under fasting and postprandial conditions. Secondary purpose: To observe the safety of the test preparation and reference preparation in Chinese healthy subjects.

Primary objective: To observe the pharmacokinetic characteristics of a single subcutaneous injection of the test preparation water-soluble progesterone injection [Specification: 1.112ml: 25mg, the drug marketing authorization holder is Chongqing Wanlin Biopharmaceutical Technology Co., Ltd.] and the reference preparation water-soluble progesterone injection [trade name: Lubion, specification: 1.112ml: 25mg, licensee IBSA Farmaceutici Italia Srl] in healthy postmenopausal women in China, and to evaluate the bioequivalence and intra-individual variability between the two preparations of a single subcutaneous injection of water-soluble progesterone injection. Secondary objective: To observe the safety of the test preparation and the reference preparation in healthy postmenopausal women in China.