(3R)-N-叔丁氧羰基-3-氨基-4-(2,4,5-三氟苯基)丁酸

(S)-4-methoxy-4-oxo-2-(2,4,5-trifluorobenzyl)butanoic acid

(R)-3-(isopropoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanoic acid

(R)-methyl-3-(isopropoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanoate

(R)-methyl-3-(benzyloxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanoate