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  • (2R,3S)-2-[(S)-2-((R)-2-{2-[((R)-4-Amino-4-methoxycarbonyl-butyryl)-methyl-amino]-acryloylamino}-propionylamino)-4-methyl-pentanoylamino]-3-[(S)-1-(2,2,2-trichloro-ethoxycarbonyl)-ethylcarbamoyl]-butyric acid methyl ester

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