Shaanxi Synthetic Pharmaceutical Co., Ltd.

To evaluate the safety and efficacy of levonidazole disodium phosphate injection in the treatment of pelvic anaerobic infection at different dosing regimens, compared with levonidazole sodium chloride injection (Unoan).

1. To observe the safety and tolerability of single/multiple intravenous infusions of levornidazole disodium phosphate for injection in healthy subjects; 2. To evaluate the pharmacokinetic properties of levornidazole disodium phosphate for injection and its active metabolite levornidazole in healthy subjects after single/multiple administrations.

To evaluate the efficacy and safety of ibuprofen sodium chloride injection in the treatment of Chinese adult hospitalized patients with acute fever.