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发明人郑宇鹏,王建平,胡光. "Method for the Synthesis of Pyridine-3,4-dicarboxylic Anhydride" [P]. 中国发明专利, 专利号 CN 110008367 B, 授权公告日 2020-10-10.
发明人唐晓军,刘建华,胡光. "A Process for Preparing High-Purity Pyridine-3,4-dicarboxylic Anhydride" [P]. 中国发明专利, 专利号 CN 108415816 B, 授权公告日 2022-04-17.
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