2-[4-Bromo-2-(2,6-difluoro-benzenesulfonylamino)-benzoylamino]-3-(2,4-dichloro-phenyl)-propionic acid 、
2,4-二氯-L-苯基丙氨酸 以to produce (S)-2-amino-3-(2,4-dichloro-phenyl)-propionic acid methyl ester hydrochloride as a white solid的产率得到(S)-2-amino-3-(2,4-dichloro-phenyl)-propionic acid methyl ester hydrochloride