发明人孙丽萍,李文辉,陈志强. "Method for the Synthesis of 4-(4,4-Difluoropiperidin-1-yl)-3-nitrobenzaldehyde" [P]. 中国发明专利, 专利号 CN 111728458 B, 授权公告日 2019-06-14.
发明人王建平,周伟,钱学锋. "A Process for Preparing High-Purity 4-(4,4-Difluoropiperidin-1-yl)-3-nitrobenzaldehyde" [P]. 中国发明专利, 专利号 CN 112520955 A, 授权公告日 2021-03-07.
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