(S)-isopropyl 2-(((S)-(perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate
(2S)-Methyl 2-(2-cyclohexyl-2-(pyrazine-2-carboxamido)acetamido)-3,3-dimethylbutanoate
Ethyl 2-((3-fluoro-4-(methylcarbamoyl)phenyl)amino)-2-methylpropanoate
(R)-Methyl 2-(tert-butoxycarbonylamino)-3-hydroxypropanoate
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(furan-2-yl)propanoic acid
(αS)-α-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-pyridinepropanoic acid
(S)-2-((tert-Butoxycarbonyl)amino)-5-(3-tosylguanidino)pentanoic acid