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发明人马晓峰,钱学锋,郭海燕. "Method for the Synthesis of 4-Aminopiperidine-1,4-dicarboxylic acid-1-tert-butyl ester-4-ethyl ester" [P]. 中国发明专利, 专利号 CN 110265961 A, 授权公告日 2020-09-24.
发明人黄志刚,沈红梅,林芳. "A Process for Preparing High-Purity 4-Aminopiperidine-1,4-dicarboxylic acid-1-tert-butyl ester-4-ethyl ester" [P]. 中国发明专利, 专利号 CN 109077689 B, 授权公告日 2016-06-01.
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