1-cyclopropyl-8-fluoro-6-Methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid;Moxifloxacin related substance D;1-Cyclopropyl-8-fluoro-1,4-dihydro-6-Methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic Acid Dihydrochloride;Moxifloxacin IMp. D (EP/BP) as diHCl salt;Moxifloxacin IMpurity D (EP);3-Quinolinecarboxylic acid, 1-cyclopropyl-8-fluoro-1,4-dihydro-6-Methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-;Moxifloxacin EP Impurity D;Moxifloxacin EP Impurity D Hydrochloride