三氟乙酸 、
7-[(3R,4R)-3,4-Bis-(tert-butoxycarbonyl-methyl-amino)-pyrrolidin-1-yl]-6-fluoro-1-(2-fluoro-phenyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 以
二氯甲烷 为溶剂,
生成 7-((3R,4R)-3,4-Bis-methylamino-pyrrolidin-1-yl)-6-fluoro-1-(2-fluoro-phenyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid; compound with trifluoro-acetic acid