4-氟溴苄 、
3,4-二氟溴苄 、 2-(2-Oxoimidazolidin-1-yl)isonicotinate 以methyl 2-(3-(3,4-difluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinate was obtained as a colorless solid in 66% yield的产率得到methyl 2-(3-(3,4-difluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinate