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发明人胡光,赵玉洁,张德明. "Method for the Synthesis of 2-(2-Chloro-3-(difluoromethyl)-5-methoxypyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116330089 B, 授权公告日 2022-01-28.
发明人胡光,钱学锋,郭海燕. "A Process for Preparing High-Purity 2-(2-Chloro-3-(difluoromethyl)-5-methoxypyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110454171 A, 授权公告日 2025-04-28.
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