European Pharmacopoeia (EP) Reference Standard Synonym(s): 1-Cyclopropyl-6-fluoro-8-methoxy-7-[(4a S ,7a S )-octahydropyrrolo[3,4- b ]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride Empirical Formula: C21H24FN3O4-+ HCl Formula...