(4R)-4-{[(2S)-2-(acetylamino)-3-carboxypropanoyl]amino}-5-{[(2S,3S)-1-{[(2S)-1-{(2S,4R)-4-(benzyloxy)-2-[(2-ethyl-2-{[(1S)-1-phenylethyl]carbamoyl}hydrazinyl)carbonyl]pyrrolidin-1-yl}-3-methyl-1-oxobutan-2-yl]amino}-3-methyl-1-oxopentan-2-yl]amino}-5-oxop
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4,5-Secoursane 130353-79-6