发明人高志强,何建平,孙丽萍. "一种2-硝基-4,5-二氟苯甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 112617519 A, 授权公告日 2018-09-13.
发明人韩伟,王建平,马晓峰. "Method for the Synthesis of Ethyl 4,5-Difluoro-2-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 115595048 A, 授权公告日 2022-02-20.
发明人张德明,朱建伟,罗永刚. "A Process for Preparing High-Purity Ethyl 4,5-Difluoro-2-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 110509342 B, 授权公告日 2021-03-11.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 2-硝基-4,5-二氟苯甲酸乙酯 in Pharmaceutical Formulations". Anal. Chem., 2018, 2268, (6), 637-651.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-硝基-4,5-二氟苯甲酸乙酯 as an Impurity". J. Pharm. Biomed. Anal., 2012, 2132, 558-570.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4,5-Difluoro-2-nitrobenzoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 230, 5764-5786.