Definition
A carbohydrate for which the chirality center furthest from the carbonyl group will have an OH group pointing to the right in the Fischer projection.
Explanation

A carbohydrate for which the chirality center furthest from the carbonyl group will have an OH group pointing to the right in the Fischer projection.
A carbohydrate for which the chirality center furthest from the carbonyl group will have an OH group pointing to the right in the Fischer projection.

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