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Interpretation of University Organic Chemistry Terminology
The carbon connected with functional groups is α, followed by β, γ and so on. And the order can also be determined by the carbon chain, starting from the first carbon is 1, followed by 2, 3, 4, etc. The unsubstituted carboxyl group is adipic acid and the substitution position is β, so it is called β-carboxyadipic acid or 3- carboxyadipic acid.