发明人王建平,韩伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116514910 A, 授权公告日 2020-11-17.
Mueller T C, Lefèvre J P, Sørensen M. "Method for the Synthesis of 3-Ethyl-1-(p-tolyl)-1,4,5,6-tetrahydropyrrolo[2,3-c]pyrazole" [P]. European Patent, EP 3481552 A1, 2024-04-18.
发明人胡光,郑宇鹏,郭海燕. "A Process for Preparing High-Purity 3-Ethyl-1-(p-tolyl)-1,4,5,6-tetrahydropyrrolo[2,3-c]pyrazole" [P]. 中国发明专利, 专利号 CN 112136614 A, 授权公告日 2019-10-07.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 1263, (1), 3894-3924.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2017, 716, (3), 5931-5936.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-1-(p-tolyl)-1,4,5,6-tetrahydropyrrolo[2,3-c]pyrazole Using HRMS and NMR". Talanta, 2018, 2415, 7096-7108.