(αR,2S)-2,5-Dihydro-α-methylfuran-2α-acetic acid
(αR,2S)-2,5-Dihydro-α-methylfuran-2α-acetic acid ??
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(αR,2S)-2,5-Dihydro-α-methylfuran-2α-acetic acid ?? ?? ? ???
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(αR,2S)-2,5-Dihydro-α-methylfuran-2α-acetic acid ?? ??
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