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Ethyl 2-(2-oxocyclopentyl)acetate: BD7795520826-94-297%; ￥736.010g

(R)-Methyl 2-(3-oxocyclopentyl)acetate: BD44957584621-34-197%; ￥10768.01g

Ethyl 2-oxo-2-(2-oxocyclopentyl)acetate: BD12292639163-39-896%; ￥72.0250mg

rel-Methyl 7-((1R,2R,3R)-3-hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoate: BD4319959122-46-298% 1% in cellulose; ￥1399.05g

Ethyl 2-(3-oxocyclopentyl)acetate: BD33481262457-60-795%; ￥6859.01g

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