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发明人王建平,林芳,钱学锋. "A Process for Preparing High-Purity 1-(Tert-butoxycarbonyl)-4-(trifluoromethyl)azetidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113990005 B, 授权公告日 2024-02-01.
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