发明人张德明,韩伟,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109743918 A, 授权公告日 2018-11-03.
发明人何建平,沈红梅,郭海燕. "Method for the Synthesis of Ethyl 1-methyl-1,6-dihydropyrrolo[2,3-c]pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116058885 B, 授权公告日 2023-07-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 1344, (11), 63-73.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 778, 8741-8767.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-methyl-1,6-dihydropyrrolo[2,3-c]pyrazole-5-carboxylate Using HRMS and NMR". Anal. Chem., 2019, 2366, (11), 2568-2598.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 636, 8399-8426.