3-((R)-1-{(S)-1-[5-(4-iodo-phenyl)-1H-imidazol-2-yl]-2-methyl-propyl}-2,5-dioxo-imidazolidin-4-yl)-propionic acid 、 (R)-5-cyclopropylmethyl-3-{(1S,2S)-1-[5-(2-fluoro-4-iodophenyl)-4-methyl-1H-imidazol-2-yl]-2-phenylpropyl}imidazolidine-2,4-dione 、
(R)-tert-butoxycarbonylamino-(4-dimethylcarbamoylmethoxy-phenyl)-acetic acid 、
N-氯代丁二酰亚胺 生成
(R)-3-{(1S,2S)-1-[5-(2-fluoro-4-iodophenyl)-4-methyl-1H-imidazol-2-yl]-2-phenylpropyl}-5-[4-(2-hydroxyethoxy)phenyl]imidazolidine-2,4-dione