[R,(+)]-2,3-Dimethoxypropionic acid methyl ester
[R,(+)]-2,3-Dimethoxypropionic acid methyl ester ??
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[R,(+)]-2,3-Dimethoxypropionic acid methyl ester C??? ??, ??, ??
[R,(+)]-2,3-Dimethoxypropionic acid methyl ester ?? ?? ? ???
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[R,(+)]-2,3-Dimethoxypropionic acid methyl ester ?? ??
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