、
硫代吗啉 、 1-(Cyclopropylmethyl)-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carbonitrile 以gave 1-(cyclopropylmethyl)-6-fluoro-4-oxo-7-thiomorpholino-1,4-dihydroquinoline-3-carbonitrile的产率得到1-(cyclopropylmethyl)-6-fluoro-4-oxo-7-thiomorpholino-1,4-dihydroquinoline-3-carbonitrile