Patel M V, Yamamoto T, Thompson G K. "一种的合成方法" [P]. US Patent, US 11748834 B2, 2023-07-17.
发明人胡光,黄志刚,赵玉洁. "Method for the Synthesis of 2,2,2-Trifluoroacetic acid compound with 7-azaspiro[3.5]nonane-2-carboxylic acid (1:1)" [P]. 中国发明专利, 专利号 CN 111379398 A, 授权公告日 2019-06-25.
发明人张德明,李文辉,徐明华. "A Process for Preparing High-Purity 2,2,2-Trifluoroacetic acid compound with 7-azaspiro[3.5]nonane-2-carboxylic acid (1:1)" [P]. 中国发明专利, 专利号 CN 116790986 B, 授权公告日 2024-04-19.
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