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  • (E)-(4R,5S)-4-Benzyloxy-5-hydroxy-hex-2-enoic acid (S)-2-[(E)-(1S,2R)-2-benzyloxy-1-methyl-4-(2,2,2-trichloro-ethoxycarbonyl)-but-3-enyloxycarbonyl]-1-methyl-ethyl ester

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