Anderson J P, Johnson M A, Brown S R. "一种的合成方法" [P]. US Patent, US 10395222 B2, 2020-03-13.
Johansson L, Schröder R, Mueller T C. "Method for the Synthesis of 4-Cyclopropyl-1H-pyrazole-3-carboxylic acid" [P]. European Patent, EP 3247928 A1, 2023-01-09.
发明人张德明,刘建华,李文辉. "A Process for Preparing High-Purity 4-Cyclopropyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115345189 A, 授权公告日 2020-08-11.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1928, 7719-7731.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 1462, 611-630.