520-45-6
脱氢乙酸
6335-27-9
5-hydroxy-4,7-dimethylchromen-2-one
771-03-9
去氢乙酸
225779-03-3
methyl 4,5,7-trimethyl-2-oxo-2H-chromene-6-carboxylate
63364-50-1
methyl 5-methoxy-3-oxohexanoate

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