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7-Methoxy-7-oxoheptanoic acid: BD25453920291-40-195%; ￥1747.025g

6-Oxoheptanoic acid: BD38723128-07-298%; ￥755.025g

2-Oxoheptanoic acid: BD32859413088-48-793%; ￥3432.01g

7-(tert-Butoxy)-7-oxoheptanoic acid: BD007692341469894-57-298%; ￥6330.025g

7-Chloro-2-oxoheptanoic acid: BD01278881874886-74-598%; ￥2082.01g

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