N-Boc-4-nitro-L-phenylalanine Methyl Ester

N-(tert-Butoxycarbonyl)-4-nitro-L-phenylalanine Methyl Ester

N-[(1,1-Dimethylethoxy)carbonyl]-4-nitro-L-phenylalanine Methyl Ester

Methyl (2S)-2-[(tert-butoxycarbonyl)amino]-3-(4-nitrophenyl)propanoate