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(2007/10/03)4-bromo-N-{[(1,1-dimethylethyl)oxy]carbonyl}-L-phenylalanine
(S)-3-{[(tert-butoxy)carbonyl]amino}-4-(4-bromophenyl)-1-diazobutan-2-one
(S)-methyl 4-(4-bromophenyl)-3-{[(tert-butoxy)carbonyl]amino}butanoate
(S)-4-(4-bromophenyl)-3-{[(tert-butoxy)carbonyl]amino}butanoic acid