发明人朱建伟,黄志刚,张德明. "Method for the Synthesis of 6-Chloropyridine-3,4-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 109226173 B, 授权公告日 2022-06-10.
发明人高志强,郭海燕,张德明. "A Process for Preparing High-Purity 6-Chloropyridine-3,4-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 116494625 A, 授权公告日 2023-04-08.
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