发明人王建平,郑宇鹏,冯建国. "一种4-((2-乙氧基-2-氧代乙基)硫基)-3-硝基苯甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 113001011 A, 授权公告日 2017-11-03.
O'Brien P Q, Patel M V, Lee S K. "Method for the Synthesis of 4-((2-Ethoxy-2-oxoethyl)thio)-3-nitrobenzoic acid" [P]. US Patent, US 11849698 B2, 2020-01-09.
发明人高志强,赵玉洁,钱学锋. "A Process for Preparing High-Purity 4-((2-Ethoxy-2-oxoethyl)thio)-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 113869770 B, 授权公告日 2017-07-20.
参考文献 Literature
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Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-((2-乙氧基-2-氧代乙基)硫基)-3-硝基苯甲酸 as an Impurity". Biomed. Chromatogr., 2014, 1852, (5), 3484-3511.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-((2-Ethoxy-2-oxoethyl)thio)-3-nitrobenzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2014, 1193, 9495-9524.