发明人王建平,郭海燕,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108405812 A, 授权公告日 2020-01-02.
发明人马晓峰,何建平,徐明华. "Method for the Synthesis of 3-(2-Ethoxyethyl)-1-methyl-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 116086066 B, 授权公告日 2020-07-13.
Chen K W, Davis P L, Fischer A B. "A Process for Preparing High-Purity 3-(2-Ethoxyethyl)-1-methyl-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione" [P]. US Patent, US 9258546 B2, 2016-10-07.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 810, (7), 6885-6905.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 640, (6), 1670-1689.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Ethoxyethyl)-1-methyl-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione Using HRMS and NMR". J. Chromatogr. A, 2022, 1680, (3), 2107-2114.