发明人郭海燕,孙丽萍,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115070017 A, 授权公告日 2025-04-23.
发明人何建平,王建平,朱建伟. "Method for the Synthesis of 2,4-Bis(trifluoromethyl)-5H,6H,7H,8H-pyrido[3,4-d]pyrimidine hydrochloride" [P]. 中国发明专利, 专利号 CN 109634431 B, 授权公告日 2019-03-11.
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". Rapid Commun. Mass Spectrom., 2016, 498, (9), 3196-3216.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1747, (12), 7903-7908.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Bis(trifluoromethyl)-5H,6H,7H,8H-pyrido[3,4-d]pyrimidine hydrochloride Using HRMS and NMR". Anal. Chem., 2012, 132, 4622-4650.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2017, 111, 4995-5003.