barbituric acid

例句：

1. 1. The barbituric acid in the medicine helps to reduce fever and pain.
   这种药物中的巴比妥酸有助于降低体温和减轻疼痛。
2. 2. The chemical structure of barbituric acid is similar to that of other organic compounds.
   巴比妥酸的化学结构与其他有机化合物相似。
3. 3. The barbituric acid in the food additives may have a negative impact on human health.
   食品添加剂中的巴比妥酸可能对人类健康产生负面影响。