发明人何建平,郭海燕,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110281749 A, 授权公告日 2024-02-27.
发明人唐晓军,刘建华,冯建国. "Method for the Synthesis of 5,6-Difluoro-5-Methyldihydro-2,4(1H,3H)-Pyrimidinedione" [P]. 中国发明专利, 专利号 CN 115400535 A, 授权公告日 2016-07-23.
发明人刘建华,罗永刚,胡光. "A Process for Preparing High-Purity 5,6-Difluoro-5-Methyldihydro-2,4(1H,3H)-Pyrimidinedione" [P]. 中国发明专利, 专利号 CN 108122144 B, 授权公告日 2025-12-13.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2014, 2296, 7536-7556.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 1753, 3430-3439.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-Difluoro-5-Methyldihydro-2,4(1H,3H)-Pyrimidinedione Using HRMS and NMR". Talanta, 2011, 964, (7), 8828-8854.