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Degree of unsaturation: 1 8 12.0 combined with IR data indicates a carboxylic acid group (COOH) 120 Based on NMR, there are f

could you please help me to explain the problem with the chemical shift and environments

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First we will tabulate sheff (& Chemied the 4-signals - multiplicity integra triplet Il ppm I I go ad I I I 3.7 ppm 4.1 ppm

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