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positional isomer

   Also found in: Medical, Wikipedia 0.01 sec.
positional isomer [pə′zish·ən·əl ′ī·sə·mər]
(chemistry)
One of a set of structural isomers which differ only in the point at which a side-chain group is attached.
(organic chemistry)
Constitutional isomer having the same functional group located in different positions along a chain or in a ring.


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Conjugated linoleic acid Conjugated linoleic acid (CLA) is a term for a group of geometric and positional isomers of octadecadienoic acid (linoleic acid) that occur naturally in food.
 
 
 
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