发明人黄志刚,冯建国,张德明. "一种5-溴-4-氮杂吲哚-3-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 113995725 A, 授权公告日 2016-06-10.
发明人赵玉洁,唐晓军,高志强. "Method for the Synthesis of 5-Bromo-4-azaindole-3-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 108655995 A, 授权公告日 2017-06-12.
发明人刘建华,郭海燕,罗永刚. "A Process for Preparing High-Purity 5-Bromo-4-azaindole-3-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 114547048 B, 授权公告日 2025-08-07.
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