Ciprofloxacin Hydrochloride - Impurity A (Freebase)

7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid; 1-Cyclopropyl-6-
fluoro-7-chloro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid; 1-Cyclopropyl-6-fluoro-7-chloro-1,4-dihydro-4-oxoquinolin-3-carboxylic Acid; 1-Cyclopropyl-7-chloro-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid; 7-Chloro-1-cyclopropyl-6-fluoroquinolin-4-one-3-carboxylic Acid; 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid; 3-Quinolinecarboxylic acid, 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-; Fluoroquinolonic Acid; 7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid (USP);