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发明人钱学锋,胡光,韩伟. "A Process for Preparing High-Purity Benzyl 2-(2-(cyclobutylamino)pyridin-3-yl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109663655 A, 授权公告日 2020-02-17.
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