1-(N-carbobenzyloxy-L-phenylalanyl)-2-methyl hydrazine

(S)-2-Amino-3-(4-hydroxy-phenyl)-N-[(R)-1-({[(S)-1-(N'-methyl-hydrazinocarbonyl)-2-phenyl-ethylcarbamoyl]-methyl}-carbamoyl)-ethyl]-propionamide

{(S)-2-(4-Hydroxy-phenyl)-1-[(R)-1-({[(S)-1-(N'-methyl-hydrazinocarbonyl)-2-phenyl-ethylcarbamoyl]-methyl}-carbamoyl)-ethylcarbamoyl]-ethyl}-carbamic acid benzyl ester