(S)-3-((benzyloxycarbonyl)amino)-4-(2,4,5-trifluoro)-4-oxobutanoic acid

(3R)-N-叔丁氧羰基-3-氨基-4-(2,4,5-三氟苯基)丁酸

(R)-3-氨基-4-(2,4,5-三氟苯基)丁酸

2,4,5-三氟溴苯

2,4,5-三氟苯乙酸