Kowalski A, Sørensen M, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3427086 A1, 2025-02-10.
发明人何建平,钱学锋,郭海燕. "Method for the Synthesis of Tert-butyl (R)-6-(trifluoromethyl)-2,7-diazaspiro[3.5]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113279787 B, 授权公告日 2025-08-01.
发明人张德明,徐明华,刘建华. "A Process for Preparing High-Purity Tert-butyl (R)-6-(trifluoromethyl)-2,7-diazaspiro[3.5]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115931278 B, 授权公告日 2018-09-04.
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