Williams B T, Roberts E F, Chen K W. "一种的合成方法" [P]. US Patent, US 9857975 B2, 2023-09-22.
Patel M V, Anderson J P, Davis P L. "Method for the Synthesis of 3-(3-Amino-5,6-dihydrocyclopenta[c]pyrazol-2(4H)-yl)propanenitrile" [P]. US Patent, US 10669400 B2, 2020-06-21.
发明人林芳,孙丽萍,冯建国. "A Process for Preparing High-Purity 3-(3-Amino-5,6-dihydrocyclopenta[c]pyrazol-2(4H)-yl)propanenitrile" [P]. 中国发明专利, 专利号 CN 112304651 B, 授权公告日 2020-07-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 926, 1027-1030.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 887, 2269-2282.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-(3-Amino-5,6-dihydrocyclopenta[c]pyrazol-2(4H)-yl)propanenitrile Using HRMS and NMR". Sci. Total Environ., 2020, 861, (11), 9501-9522.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2021, 531, (6), 9169-9180.