发明人杨光,徐明华,赵玉洁. "Method for the Synthesis of 2-(6-Bromo-5-(difluoromethyl)-4-hydroxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116555277 B, 授权公告日 2020-10-13.
发明人孙丽萍,郑宇鹏,徐明华. "A Process for Preparing High-Purity 2-(6-Bromo-5-(difluoromethyl)-4-hydroxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114178272 B, 授权公告日 2018-01-20.
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