发明人王建平,徐明华,张德明. "Method for the Synthesis of 4,6-dichloro-2-(difluoromethyl)quinazoline" [P]. 中国发明专利, 专利号 CN 110790881 B, 授权公告日 2017-09-24.
Lee S K, Roberts E F, Fischer A B. "A Process for Preparing High-Purity 4,6-dichloro-2-(difluoromethyl)quinazoline" [P]. US Patent, US 11756170 B2, 2021-10-12.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2021, 1134, 5780-5809.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 2350, 9538-9552.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-dichloro-2-(difluoromethyl)quinazoline Using HRMS and NMR". Anal. Methods, 2015, 881, (10), 2843-2862.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 1123, (11), 2792-2805.