Ethyl 3-(cyclopropylamino)-2-(2,4-dichloro-5-fluorobenzoyl)acrylate;Ethyl 2,4-dichloro-alpha-[(cyclopropylamino)methylene]-5-fluoro-beta-oxobenzenepropanoate ; Ethyl (E)-3-(cyclopropylamino)-2-(2,4-dichloro-5-fluorobenzoyl)acrylate;ethyl (Z)-3-(cyclopropylamino)-2-(2,4-dichloro-5-fluorobenzoyl)prop-2-enoate;Benzenepropanoic acid, 2,4-dichloro-α-[(cyclopropylamino)methylene]-5-fluoro-β-oxo-, ethyl ester; Ethyl 2,4-dichloro-α-[(cyclopropylamino)methylene]-5-fluoro-β-oxobenzenepropanoate;Ciprofloxacin Impurity 15