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发明人张德明,朱建伟,郭海燕. "A Process for Preparing High-Purity 1-(Methoxycarbonyl)-2-(morpholinomethyl)piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111426183 B, 授权公告日 2023-02-24.
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