发明人钱学锋,刘建华,王建平. "一种4-溴-1H-吲唑-3-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 115126935 A, 授权公告日 2019-01-15.
Schröder R, Johnson M A, Fischer A B. "Method for the Synthesis of 4-bromo-1H-indazole-3-carboxylic acid" [P]. US Patent, US 11038086 B2, 2017-02-02.
发明人冯建国,赵玉洁,马晓峰. "A Process for Preparing High-Purity 4-bromo-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108420485 B, 授权公告日 2019-11-10.
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