(4S,2S)-3-(Benzyloxy)-4-methoxy-<2-azido-3-oxo-3-<2-oxo-4-(phenylmethyl)-3-oxazolidinyl>propyl>benzene

N--O-methyl-L-tyrosyl>-3-hydroxy-4-methoxy-L-phenylalanine methyl ester

N-<(1,1-Dimethylethoxy)carbonyl>-4-chloro-L-phenylalanine 2-bromoethyl ester