莫西沙星杂质RC-3
QY-MXSX-12
1-cyclopropyl-6-fluoro-8-methoxy-4-oxo-7-((4aR,7aS)-5-oxooctahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride