发明人郭海燕,王建平,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116587773 A, 授权公告日 2019-04-08.
Rossi M, Kowalski A, Schröder R. "Method for the Synthesis of 2-(Trifluoromethyl)pyrazolo[1,5-a]pyrimidin-5(4H)-one" [P]. European Patent, EP 3853030 A1, 2021-07-14.
发明人徐明华,赵玉洁,沈红梅. "A Process for Preparing High-Purity 2-(Trifluoromethyl)pyrazolo[1,5-a]pyrimidin-5(4H)-one" [P]. 中国发明专利, 专利号 CN 110593138 B, 授权公告日 2024-05-19.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 1557, (6), 3315-3318.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 1420, 9132-9153.