isatin

例句：

1. 1. Isatin is an effective antibiotic that can treat tuberculosis.
   异烟肼是一种有效的抗生素，可以治疗结核病。
2. 2. The patient was given isotonic saline solution to replace lost fluids.
   患者被给予等渗盐水溶液来替代失去的液体。
3. 3. Isatin is a medication used to treat hypertension and heart failure.
   异烟肼是一种用于治疗高血压和心脏病的药物。