74011-42-0 4-氧诺氟沙星
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英文别名1-Ethyl-6-fluoro-4-oxo-7-(3-oxopiperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid; 4-Oxonorfloxacin; 1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid; Norfloxacin 3-Oxo Impurity; 1-ethyl-6-fluoro-4-oxo-7-(3-oxopiperazin-1-yl)quinoline-3-carboxylic acid; 1-ethyl-1,4-dihydro-6-fluoro-7-(3-oxo-1-piperazinyl)-4-oxoquinoline-3-carboxylic acid; 4-Oxonrofloxacin
