Comenic acid with 4-aminobutyric acid;4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo-, 4-aminobutyrate;AC1MHFHC;LS-127294;4-aminobutanoic acid; 5-hydroxy-4-oxopyran-2-carboxylic acid;66556-20-5
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