Dafeng Tiansheng Pharmaceutical Co., Ltd.(Dafeng Huashu Pharmaceutical Co., Ltd.)
Bulk drug
Intermediate
ODA
UV adsorbent
Photoinitiator
Antioxidant
Light stabiliser
9,10-Difluoro-7-oxo-2,3-dihydro-7H-pirido[1,2,3-DE][1,4]benzothiazine-6-carboxylic acid
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Chemical name: 9,10-Difluoro-7-oxo-2,3-dihydro-7H-pirido[1,2,3-DE][1,4]benzothiazine-6-carboxylic acid
Molecular formula: C12H7F2NO3S
Molecular weight: 283.24
Structural formula:
Properties: earthy yellow powder; insoluble in water; lightly soluble in dimethylformamide and acetonitrile
Uses: broad-spectrum antibacterial, quinolones intermediate
Packaging: bag/drum
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