Stevens L M, Klinger H, Yamamoto T. "一种的合成方法" [P]. US Patent, US 9003487 B2, 2025-10-17.
发明人周伟,黄志刚,林芳. "Method for the Synthesis of 2,6-Difluoro-3-hydroxy-benzoic acid methyl ester" [P]. 中国发明专利, 专利号 CN 116778167 B, 授权公告日 2023-12-07.
发明人沈红梅,王建平,赵玉洁. "A Process for Preparing High-Purity 2,6-Difluoro-3-hydroxy-benzoic acid methyl ester" [P]. 中国发明专利, 专利号 CN 115684859 B, 授权公告日 2015-03-11.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 589, 4232-4258.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 1420, (4), 4716-4725.