发明人李文辉,唐晓军,冯建国. "一种3-甲酰基-5-氯吲哚-2-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 113580607 A, 授权公告日 2016-06-25.
发明人王建平,郑宇鹏,陈志强. "Method for the Synthesis of 5-Chloro-3-formylindole-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 114291651 A, 授权公告日 2015-08-15.
发明人钱学锋,冯建国,黄志刚. "A Process for Preparing High-Purity 5-Chloro-3-formylindole-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116448185 B, 授权公告日 2021-11-10.
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