2-[3-(N'-{6-amino-2-[2-(3-phenoxyphenyl)acetylamino]hexanoyl}hydrazino)-4,4,4-trifluorobutyrylamino]-3-phenylpropionic acid methyl ester 、
三氟乙酸 以
甲醇 为溶剂,
以259 mg的产率得到2-[3-(N'-{6-amino-2-[2-(3-phenoxyphenyl)acetylamino]hexanoyl}hydrazino)-4,4,4-trifluorobutyrylamino]-3-phenylpropionic acid methyl ester trifluoroacetic acid salt