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Ethyl 5-methyl-2,4-dioxohexanoate: BD12910764195-85-397%; ￥457.05g

Ethyl 5,5-dimethyl-2,4-dioxohexanoate: BD12955913395-36-398%; ￥200.05g

Ethyl 2,4-dioxohexanoate: BD12949713246-52-197%; ￥46.01g

Methyl 3,5-dioxohexanoate: BD16764329736-80-995%; ￥1577.01g

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