(S)-methyl 3-phenyl-2-(2-(trimethylsilyl)ethylsulfonamido)propanoate

Fmoc-Phe-OCH3

methyl 2-acetamido-3-phenylprop-2-enoate

(S)-2-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-3-phenyl-propionic acid methyl ester