(S)-2-((S)-2-{(S)-2-[Hydroxy-((R)-3-methyl-1-{(S)-3-methyl-2-[(R)-3-methyl-2-(3-methyl-butyrylamino)-butyrylamino]-butyrylamino}-butyl)-phosphinoyloxy]-3-phenyl-propionylamino}-propionylamino)-propionic acid methyl ester
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