发明人黄志刚,林芳,赵玉洁. "Method for the Synthesis of 2-Cyclobutyl-2-(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)ethan-1-amine" [P]. 中国发明专利, 专利号 CN 113335300 A, 授权公告日 2019-04-17.
发明人刘建华,唐晓军,黄志刚. "A Process for Preparing High-Purity 2-Cyclobutyl-2-(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)ethan-1-amine" [P]. 中国发明专利, 专利号 CN 108626410 B, 授权公告日 2017-01-17.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2022, 980, 3427-3440.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 2451, 4700-4715.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclobutyl-2-(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)ethan-1-amine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 1711, (8), 4708-4722.