BOC-D-2,4,5-三氟苯丙氨酸

(3R)-N-叔丁氧羰基-3-氨基-4-(2,4,5-三氟苯基)丁酸

(R)-N-叔丁氧羰基-2,4,5-三氟苯胺甲酯

西他列汀

[(R)-3-(5,6-Dihydro-8H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)-3-oxo-1-(2,4,5-trifluoro-benzyl)-propyl]-carbamic acid tert-butyl ester