Chemical Name: (S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester
Synonym: Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ; Ofloxacin Q-Acid related impurity
Smile: O=C(C(C1=O)=CN2[C@@H](C)COC3=C(F)C(F)=CC1=C23)OCC