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A	B	C	D	E	F
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(S)-3-Hydroxy-gamma-butyrolactone

(S)-(-)-alpha-Hydroxy-gamma-butyrolactone

3-Hydroxybutyric acid

4-Hydroxybutyl acrylate

3-Hydroxy-2-butanone dimer

3-Hydroxy-2-butanone

4-Hydroxy-2-butanone

Hydroxybupropione

2-Hydroxy-5-bromopyridine

2-Hydroxy-3-bromo-4-methylpyridine