Fmoc-(S)-3-amino-4-(pentafluorophenyl)butyric acid

3,4-Difluoro-1H-pyrrole

(S)-3-amino-4-pentafluorophenylbutanoic acid hydrochloride

(S)-Methyl 2-(2'-cyano-(1,1'-biphenyl)-4-yl)methylamino-3-methylbutanoate hydrochloride

Fmoc-D-3,5-difluorophenyl alanine

5-Iodo-2-(trifluoromethyl)phenylacetic acid