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4-Hydroxy-2-oxohexanoic acid

5-Oxo-2-hexenedioic acid

3-Hydroxyhexanedioic acid

4-Hydroxy-2-hexenedioic acid

2-Hydroxy-4-oxohexanedioic acid

4-Hydroxy-6-oxohexanoic acid

6-Amino-2-hydroxy-4-oxohexanoic acid

6-Amino-4-oxo-2-hexenoic acid

6-Amino-4-hydroxy-2-hexenoic acid

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