In the body the prodrug can be hydrolyzed quickly by non-specific esterase to give out the original drugs so can extend the acting time.

 
  • 用帶有酸性功能基的雜環(huán)替代乙?;?,使蛋白結合力增強,在血漿中半衰期長(cháng),成為長(cháng)效抗生素。
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