发明人马晓峰,王建平,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117486552 A, 授权公告日 2024-05-07.
Lefèvre J P, Jørgensen K, Nowak P. "Method for the Synthesis of ethyl 1-[(4-methoxyphenyl)methyl]-6H-pyrrolo[2,3-c]pyrazole-5-carboxylate" [P]. European Patent, EP 3402617 A1, 2020-07-08.
Nielsen H, Lefèvre J P, Rossi M. "A Process for Preparing High-Purity ethyl 1-[(4-methoxyphenyl)methyl]-6H-pyrrolo[2,3-c]pyrazole-5-carboxylate" [P]. European Patent, EP 3420359 A1, 2019-12-26.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 1635, (1), 4435-4443.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 1089, (12), 5362-5391.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 1-[(4-methoxyphenyl)methyl]-6H-pyrrolo[2,3-c]pyrazole-5-carboxylate Using HRMS and NMR". Anal. Methods, 2018, 777, 1377-1395.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 1417, (1), 4034-4063.