贝西沙星是第四代氟喹诺酮类抗生素。

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86393-33-1 7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
BD1509986393-33-198%
¥20.005g常备现货
1662-21-1 N-(4,5-Difluoro-2-nitrophenyl)acetamide
BD187661662-21-195+%
¥203.001g
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