发明人朱建伟,陈志强,马晓峰. "Method for the Synthesis of tert-Butyl 2-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate" [P]. 中国发明专利, 专利号 CN 113782434 B, 授权公告日 2024-10-13.
Kowalski A, Johansson L, Rossi M. "A Process for Preparing High-Purity tert-Butyl 2-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate" [P]. European Patent, EP 3029998 A1, 2017-09-19.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2025, 2348, 7469-7495.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 601, (7), 3552-3555.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1258, (5), 2000-2018.