methyl 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinate 、
methyl 2-(3-(2,4-difluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinate 、
对氟苄胺 以2-(3-(2,4-difluorobenzyl)-2-oxoimidazolidin-1-yl)-N-(4-fluorobenzyl)isonicotinamide was obtained as a colorless solid in 55% yield的产率得到2-(3-(2,4-difluorobenzyl)-2-oxoimidazolidin-1-yl)-N-(4-fluorobenzyl)isonicotinamide