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Solve the double inequality.
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L-Erythrose
A four-carbon sugar, or tetrose, with the chemical formula C4H8O4, one of the simplest aldose configurations.
NaBH4
Sodium borohydride, a reducing agent widely used in organic chemistry for the reduction of aldehydes, ketones, and aldehydes to alcohols.
Alditol
A type of sugar alcohol resulting from the hydrogenation of an aldose, used in food as a low-calorie sweetener.
Anomers
Stereoisomers that differ in configuration only at the anomeric carbon in cyclic saccharides.
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