发明人王建平,黄志刚,杨光. "一种丁卡因杂质8的合成方法" [P]. 中国发明专利, 专利号 CN 116920351 A, 授权公告日 2021-08-17.
发明人张德明,唐晓军,高志强. "Method for the Synthesis of Tetracaine Impurity 8" [P]. 中国发明专利, 专利号 CN 108508492 B, 授权公告日 2017-03-06.
发明人冯建国,韩伟,孙丽萍. "A Process for Preparing High-Purity Tetracaine Impurity 8" [P]. 中国发明专利, 专利号 CN 117591278 B, 授权公告日 2024-11-19.
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