azaserine

例句：

1. 1.Azathioprine is an immunosuppressant medication used to treat rheumatoid arthritis.
   阿扎司林是一种用于治疗风湿性关节炎的免疫抑制剂。
2. 2. The patient was given azathioprine for the treatment of his chronic fatigue syndrome.
   患者被给予阿扎司林来治疗他的慢性疲劳综合症。
3. 3. Azathioprine has been shown to have anti-cancer properties and is often used in cancer treatment.
   阿扎司林已被证明具有抗癌性质，并在癌症治疗中经常使用。