8-[(3S)-trans-3-t-butoxycarbonylamino-4-ethyl-piperidine-1-yl]-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid 在
盐酸 作用下,
生成 8-[(3S)-trans-3-amino-4-ethyl-piperidine-1-yl]-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid dihydrochloride