发明人李文辉,郭海燕,杨光. "一种7-甲基-1H-吲唑-5-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 112809309 A, 授权公告日 2023-11-15.
Williams B T, Stevens L M, Thompson G K. "Method for the Synthesis of 7-Methyl-1H-indazole-5-carboxylic Acid" [P]. US Patent, US 11599886 B2, 2019-09-01.
发明人徐明华,钱学锋,李文辉. "A Process for Preparing High-Purity 7-Methyl-1H-indazole-5-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 110265457 B, 授权公告日 2015-01-03.
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