异丁基乙酸乙酯;4-甲基-3-氧代戊酸乙酯;异丁酰基乙酸乙酯;4-甲基3-氧-戊 酸乙酯;
ethyl 4-methyl-3-oxopentanoate;Pentanoic acid, 4-methyl-3-oxo-, ethyl ester;
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