发明人黄志刚,马晓峰,林芳. "Method for the Synthesis of 6-Bromo-5-(difluoromethyl)-3-nitropicolinic acid" [P]. 中国发明专利, 专利号 CN 108521390 A, 授权公告日 2016-08-10.
发明人徐明华,冯建国,黄志刚. "A Process for Preparing High-Purity 6-Bromo-5-(difluoromethyl)-3-nitropicolinic acid" [P]. 中国发明专利, 专利号 CN 113788135 B, 授权公告日 2021-07-25.
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