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  • (2R,3S)-3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-ylmethyl ester

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