Moxifloxacin Related Compound A (HCl salt form);Moxifloxacin-1;1-cyclopropyl-6,8-difluoro-7-((4aS,7aS)-hexahydro-1H-pyrrolo [3,4-b]pyridine-6(2H)-yl)-4-oxo-1,4-Dihydroquinoline-3- carboxylic acid hydrochloride;1-cyclopropyl-6,8-difluoro-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4 -oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride;Moxifloxacin EP Imp.A HCl;Moxifloxacin Impurity 6 Hydrochloride (Moxifloxacin EP Impurity A Hydrochloride);Moxifloxacin Impurity A HCl;Moxifloxacin EP Impurity A Hydrochloride