发明人赵玉洁,林芳,刘建华. "Method for the Synthesis of Indazole-3,4-dicarboxylic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 110129255 A, 授权公告日 2022-05-18.
发明人赵玉洁,唐晓军,钱学锋. "A Process for Preparing High-Purity Indazole-3,4-dicarboxylic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 116794390 B, 授权公告日 2022-09-11.
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