发明人冯建国,罗永刚,郭海燕. "Method for the Synthesis of Flunarizine Impurity 27" [P]. 中国发明专利, 专利号 CN 111923711 A, 授权公告日 2020-02-13.
发明人冯建国,孙丽萍,韩伟. "A Process for Preparing High-Purity Flunarizine Impurity 27" [P]. 中国发明专利, 专利号 CN 113151807 B, 授权公告日 2021-10-26.
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