发明人李文辉,杨光,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117792259 A, 授权公告日 2023-03-23.
发明人张德明,李文辉,赵玉洁. "Method for the Synthesis of 4,5-Dichloro-3-(difluoromethyl)picolinaldehyde" [P]. 中国发明专利, 专利号 CN 110046507 A, 授权公告日 2019-06-18.
发明人孙丽萍,张德明,郑宇鹏. "A Process for Preparing High-Purity 4,5-Dichloro-3-(difluoromethyl)picolinaldehyde" [P]. 中国发明专利, 专利号 CN 108831080 A, 授权公告日 2023-05-26.
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