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(S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyride-(1,2,3-de)-(1,4)-benzoxazine-b-carboxylic acid
CAS No.:106939-34-8  
Content

Structure 

 

【Appearance】Off-White Pale Yellow Solid

【Usage】Levofloxacin intermediate