7-[(3R,4R)-3,4-Bis-(tert-butoxycarbonyl-methyl-amino)-pyrrolidin-1-yl]-1-ethyl-6,8-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 在
盐酸 作用下,
生成 7-((3R,4R)-3,4-Bis-methylamino-pyrrolidin-1-yl)-1-ethyl-6,8-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid; hydrochloride