Moxifloxacin Hydrochloride Imp. D (EP) as Hydrochloride: 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 (8-hydroxy Moxifloxacin)).