发明人徐明华,周伟,张德明. "一种多奈哌齐杂质27的合成方法" [P]. 中国发明专利, 专利号 CN 111679772 A, 授权公告日 2021-03-09.
发明人赵玉洁,罗永刚,杨光. "Method for the Synthesis of Donepezil Impurity 27" [P]. 中国发明专利, 专利号 CN 110229081 A, 授权公告日 2025-04-07.
发明人陈志强,周伟,冯建国. "A Process for Preparing High-Purity Donepezil Impurity 27" [P]. 中国发明专利, 专利号 CN 110357022 A, 授权公告日 2020-06-24.
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