发明人张德明,胡光,郭海燕. "Method for the Synthesis of Methyl 2-(2,3-difluorophenyl)-2-hydroxyacetate" [P]. 中国发明专利, 专利号 CN 113718446 B, 授权公告日 2019-07-14.
发明人罗永刚,郭海燕,钱学锋. "A Process for Preparing High-Purity Methyl 2-(2,3-difluorophenyl)-2-hydroxyacetate" [P]. 中国发明专利, 专利号 CN 110053427 B, 授权公告日 2017-08-18.
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