Mueller T C, Kowalski A, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3839298 A1, 2025-08-20.
发明人孙丽萍,韩伟,高志强. "Method for the Synthesis of 1-Ethyl-3,5-dimethyl-1H,1H-[3,4]bipyrazolyl-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117733464 B, 授权公告日 2018-11-27.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 1854, 9941-9957.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2021, 1573, (7), 844-868.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-3,5-dimethyl-1H,1H-[3,4]bipyrazolyl-5-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2018, 257, (6), 9078-9105.