2-acetyl-4-oxo-valeric acid ethyl ester, ethyl acetonylacetylacetate, 2-acetyl-4-oxopentanoate, 2-Acetyl-4-oxo-valeriansaeure-aethylester, ethyl 2-acetyl-4-oxovalerate, EINECS 255-582-0, ethyl 2-acetyl-4-oxo-pentanoate
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