nifuroquine

例句：

1. 1. This medicine is used to treat malaria.
   这种药物用于治疗疟疾。
2. 2. The patient was given nifuroquine for prophylaxis against malaria.
   患者被给予奎宁预防疟疾。
3. 3. Nifuroquine has been shown to be effective in treating malaria.
   研究表明，奎宁对治疗疟疾有效。