Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

喹诺酮类药物具有抗菌谱广、抗菌活强、给药方便,与常用抗菌药物无交叉耐药、低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成化物3，14，16为模板，对3位羧基进行了酯化反应成了4个喹诺酮酯类化物：化物22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

喹诺酮药物具有谱广、性强、给药方便,与常用药物无交叉耐药性、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的物3，14，16为模板，对它们的3位羧基进行了酯反应成了4个喹诺酮酯物：物22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

酮类物具有抗菌谱广、抗菌活性强、便,与常用抗菌物无交叉耐性、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的化物3，14，16为模板，对它们的3位羧基进行了酯化反应成了4酮酯类化物：化物22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

类药物具有抗菌谱广、抗菌活强、给药方便,与常用抗菌药物无交叉耐药、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的化物3，14，16为模板，对它们的3位羧基进行了酯化反应成了4个酯类化物：化物22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

喹诺酮类药具有抗菌谱广、抗菌活性强、给药方便,与常用抗菌药无交叉耐药性、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

用所成的3，14，16为模板，对它们的3位羧基进行了酯反应成了4个喹诺酮酯类：22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

酮类药物具有抗菌谱广、抗菌活强、给药方便,与常用抗菌药物无交叉耐药、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的化物3，14，16为模板，对它们的3位羧基进行了酯化反应成了4个酮酯类化物：化物22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

喹诺酮具有抗菌谱广、抗菌活性强、给方便,与常用抗菌无交叉耐性、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的化3，14，16为模板，对它们的3位羧基进行了酯化反应成了4个喹诺酮酯化：化22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

喹诺酮类药物具有抗菌谱广、抗菌活性强、给药方便,与常用抗菌药物无交叉耐药性、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的化物3，14，16为模板，对它们的3位羧基进行了酯化反应成了4个喹诺酮酯类化物：化物22—25。

Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

喹诺酮类药有抗菌谱广、抗菌活性强、给药方便,与常用抗菌药无交叉耐药性、价格低等特点。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的化3，14，16为模板，对它们的3位羧基进行了酯化反应成了4个喹诺酮酯类化：化22—25。