ketopurine

例句：

1. 1. This medication is used to treat inflammation and pain in the joints.
   这种药物用于治疗关节炎症和疼痛。
2. 2. The patient took the medication as directed by their doctor.
   患者按照医生的指示服用了这种药物。
3. 3. The patient experienced significant relief from their symptoms after taking the medication.
   患者在服用这种药物后，症状得到了显著缓解。