QO180201

奥比沙星 EP 杂质 A

Orbifloxacin EP Impurity A

别名：1-cyclopropyl-7-((3R,5S)-3,5-dimethylpiperazin-1-yl)-5-((3S,5R)-3,5-dimethylpiperazin-1-yl)-6,8-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid