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发明人陈志强,张德明,冯建国. "A Process for Preparing High-Purity Ethyl (3R,4S)-3,4-difluorocyclopentane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109554600 A, 授权公告日 2022-06-24.
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