Kumar R, Yamamoto T, Davis P L. "一种的合成方法" [P]. US Patent, US 11270606 B2, 2015-02-11.
发明人郭海燕,冯建国,刘建华. "Method for the Synthesis of 4-Oxo-4,5-dihydro-1H-imidazole-2-sulfonic acid" [P]. 中国发明专利, 专利号 CN 111569948 A, 授权公告日 2016-12-10.
发明人马晓峰,罗永刚,王建平. "A Process for Preparing High-Purity 4-Oxo-4,5-dihydro-1H-imidazole-2-sulfonic acid" [P]. 中国发明专利, 专利号 CN 112333416 A, 授权公告日 2020-04-06.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 1607, (5), 4635-4640.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2015, 2412, (8), 4953-4960.