primaquine phosphate

例句：

1. 1. Primaquine phosphate is an essential medication for treating malaria.
   扑灭疟原虫药是治疗疟疾必不可少的药物。
2. 2. The patient was given a dose of primaquine phosphate to prevent relapse.
   患者被给予一次剂量的扑灭疟原虫药以防止复发。
3. 3. The doctor prescribed primaquine phosphate as the first line treatment for uncomplicated falciparum malaria.
   医生将扑灭疟原虫药作为未经并发症的恶性疟原虫病的首选治疗方法。