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(2R,3R)-3-Hydroxy-2-methyl-3-phenyl-1-((3aR,5aR,8aR,8bS)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-3a-yl)-propan-1-one
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(2S,3S)-3-Hydroxy-2-methyl-3-phenyl-1-((3aR,5aR,8aR,8bS)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-3a-yl)-propan-1-one