发明人马晓峰,唐晓军,刘建华. "Method for the Synthesis of 4-[(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)sulfanyl]-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 114981660 B, 授权公告日 2025-03-05.
发明人沈红梅,杨光,朱建伟. "A Process for Preparing High-Purity 4-[(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)sulfanyl]-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 116048860 B, 授权公告日 2017-08-14.
参考文献 Literature
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O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-[(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)sulfanyl]-3-nitrobenzoic acid as an Impurity". Sci. Total Environ., 2014, 1522, 3700-3707.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)sulfanyl]-3-nitrobenzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2014, 1098, (5), 3869-3887.