发明人徐明华,黄志刚,唐晓军. "Method for the Synthesis of 4-Chloro-6,7-difluoroquinazoline" [P]. 中国发明专利, 专利号 CN 110895390 A, 授权公告日 2015-04-12.
发明人李文辉,杨光,张德明. "A Process for Preparing High-Purity 4-Chloro-6,7-difluoroquinazoline" [P]. 中国发明专利, 专利号 CN 108530153 B, 授权公告日 2020-12-12.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氯-6,7-二氟喹唑啉 in Pharmaceutical Formulations". Phytochemistry, 2025, 2307, (4), 7950-7978.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氯-6,7-二氟喹唑啉 as an Impurity". Anal. Chim. Acta, 2020, 1642, (12), 9400-9429.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-6,7-difluoroquinazoline Using HRMS and NMR". Anal. Chem., 2024, 1293, (10), 5861-5887.