Hydrazinecarboxylic acid, 2-[(2S,3S)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl]-2-[[4-(2-pyridinyl)phenyl]methyl]-, 1,1-dimethylethyl ester

Hydrazinecarboxylic acid, 2-[(2S,3S)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl]-2-[[4-(2-pyridinyl)phenyl]methyl]-, 1,1-dimethylethyl ester