ethyl 2-(phenyldiazenyl)-2-(2,2,2-trifluoroacetoxy)propanoate

ethylN-chloro-N-(1-phenylpropan-2-yl)-L-alaninate

(2S)-ethyl 2-((1-phenylpropan-2-yl)amino)propanoate

1-ethoxypropan-2-one

ethyl 2-azido-propanoate