Schröder R, Nielsen H, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3651722 A1, 2023-10-08.
发明人马晓峰,胡光,陈志强. "Method for the Synthesis of Methyl 2-(7-chloro-5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-6-yl)acetate" [P]. 中国发明专利, 专利号 CN 112198438 B, 授权公告日 2019-03-04.
发明人钱学锋,罗永刚,孙丽萍. "A Process for Preparing High-Purity Methyl 2-(7-chloro-5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-6-yl)acetate" [P]. 中国发明专利, 专利号 CN 109290714 A, 授权公告日 2016-01-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2019, 984, (10), 9898-9904.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 866, (8), 7135-7151.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(7-chloro-5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-6-yl)acetate Using HRMS and NMR". Sci. Total Environ., 2019, 749, (12), 1617-1642.