利福平是一种半合成抗生素。
标签是一种半合成抗生素具有广谱的活动。
Amoxi-Tabs is a semisynthetic antibiotic with a broad spectrum of activity.
一种半合成抗生素，从参与核糖核酸合成的利福霉素的一种形态中提取，用于治疗细菌性和病毒性疾病。
A semisynthetic antibiotic derived from a form of rifamycin that interferes with the synthesis of RNA and is used to treat bacterial and viral diseases.
手性氨基酸可作为半合成抗生素、新除草剂、杀虫剂以及生理活性多肽化学合成的手性模块，具有广泛的应用前景。
Chiral amino acids are elements of semi-synthetic antibiotics, new herbicide, insecticide and bio-active peptides in chemosynthesis. They will have wider application prospects.
早期的抗生素是由细菌自然生成的产物，化学家改变许多结构产生出半合成或完全合成的抗生素。
Early antibiotics were natural microbial products, But chemists have modified the structures of many to produce semisynthetic and even wholly synthetic ones.
早期的抗生素是由细菌自然生成的产物，化学家改变许多结构产生出半合成或完全合成的抗生素。
Early antibiotics were natural microbial products, But chemists have modified the structures of many to produce semisynthetic and even wholly synthetic ones.
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