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?? ???? >(2R,3S,4R)-3-Acetoxy-2-((benzoyloxy)methyl)-3,4-dihydro-2H-pyran-4-yl benzoate
(2R,3S,4R)-3-Acetoxy-2-((benzoyloxy)methyl)-3,4-dihydro-2H-pyran-4-yl benzoate
(2R,3S,4R)-3-Acetoxy-2-((benzoyloxy)methyl)-3,4-dihydro-2H-pyran-4-yl benzoate ??
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(2R,3S,4R)-3-Acetoxy-2-((benzoyloxy)methyl)-3,4-dihydro-2H-pyran-4-yl benzoate C??? ??, ??, ??
(2R,3S,4R)-3-Acetoxy-2-((benzoyloxy)methyl)-3,4-dihydro-2H-pyran-4-yl benzoate ?? ?? ? ???
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(2R,3S,4R)-3-Acetoxy-2-((benzoyloxy)methyl)-3,4-dihydro-2H-pyran-4-yl benzoate ?? ??
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