WXWH0075

Primary purpose: Evaluate the safety and tolerability of single/multiple intravenous infusions of WXWH0075 in healthy subjects Secondary purpose: Evaluate the pharmacokinetic characteristics of single/multiple intravenous infusions of WXWH0075 in healthy subjects Exploratory purpose: Explore the effect of single intravenous infusion of WXWH0075 on the QT/QTc interval of subjects in healthy subjects Explore the possible metabolites and metabolic pathways of WXWH0075 after single intravenous infusion in healthy subjects Explore the changes of early renal injury indicators compared with baseline after single and multiple intravenous infusions of WXWH0075 in healthy subjects