[O:1]=[CH:2][C@@H:3]([C@@H:5]([C@@H:7]([CH2:9][OH:10])[OH:8])[OH:6])[OH:4].[CH3:11]O>>[O:1]([CH3:11])[CH:2]1[O:8][C@H:7]([CH2:9][OH:10])[C@@H:5]([OH:6])[C@H:3]1[OH:4]reacting D-ribose with an acidic solution of methanol to form 1-methyl D-ribofuranoside;
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