(3S)-10-(4-乙基-1-哌嗪基)-9-氟-2,3-二氢-3-甲基-7-氧代-7H-吡啶并[1,2,3-DE]-1,4-苯并恶嗪-6-羧酸
左氧氟沙星杂质R((3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity))
CAS: 106939-30-4
化学式: C19H22FN3O4