semidine rearrangement

例句：

1. 1. The drughas been shown to have significant therapeutic benefits.
   这种药物已被证明具有显著的治疗效果。
2. 2.The pharmaceutical company isdeveloping a new semisynthetic antibiotic.
   这家制药公司正在开发一种新的半合成抗生素。
3. 3. The patient was treated with the semidine rearrangement for several weeksbefore recovery.
   患者在接受了几周的半合成物治疗后恢复了健康。