dimethyl 2-(4-aminobenzyl)malonate hydrochloride 、
4-[3-(2-bromobenzyl)-4,4-dimethyl-2,5-dioxoimidazolidin-1-yl]-2-trifluoromethylbenzonitrile 、 以232 was obtained的产率得到dimethyl 2-(4-{2-[3-(4-cyano-3-trifluoromethylphenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-ylmethyl]phenylamino}benzyl)malonate